I
IP - IZ

IRA - nouns
• RA, THE the provisional IRA ...1980s sl., orig. Ulster
IRA - person 
• STICK a member of the official I.R.A. or Sinn Fein ...1978 sl.
• STICKIE, STICKY a member of the official I.R.A. or Sinn Fein ...1972 sl.

IRAN - person
• BASIJ in Iran: a member of the Basij militia, a volunteer militia founded in 1979 ...1982
• BASIJI in Iran: a member of the Basij militia, a volunteer militia founded in 1979 ...1982
• BAZAARI an Iranian merchant or shop owner ...1978 

IRASCIBLE - adjectives
• ALL FIRE AND TOW irascible, excitable, hot-tempered ...1838 Amer. dial. 
• ATTRIE irascible ...Bk1911 Sc.
• BARMY flighty; passionate; irascible ...Bk1911 Sc.
• FAIRDIE passionate, irascible ...1821 Sc.
• FAST hasty in temper, irascible ...Bk1900 Eng. dial.
• FAUSTY irascible, angry, low, mean, cross; pert, impertinent, impudent, self-important; frisky, mettlesome ...1890 Amer. dial.
• FEISTY, FICETY irascible, argumentative, touchy, angry, low, mean, cross; pert, impertinent, impudent, self-important; frisky, mettlesome ...1890 Amer. dial.
• FISTY, FYSTY irascible, angry, low, mean, cross; pert, impertinent, impudent, self-important; frisky, mettlesome ...1890 Amer. dial.
• GNATTERIE peevish, crabbed, cantankerous, irascible, given to sharp caustic talk ...1825 Sc.
• HAISTERED ill-done, irascible ...1787 Sc.
• HASTARD irascible ...Bk1902 Sc.
• IRACUND inclined to wrath; prone to anger; passionate, irascible, irritable ...1821
• IGNORANT angry, irascible, short-tempered ...1940s W. Indies. & UK Black sl.
• IROUS † given to anger, hot-tempered, irascible ...1303
• NATTERIE peevish, crabbed, cantankerous, irascible, given to sharp caustic talk ...1825 Sc.
• NERTY irascible, short-tempered ...Bk1905 Eng. dial.
• NITTERIE peevish, crabbed, cantankerous, irascible, given to sharp caustic talk ...1825 Sc.
• NITTERY peevish, crabbed, cantankerous, irascible, given to sharp caustic talk ...1825 Sc.
• RAISED infuriated, irascible, wild, frenzied, over-excited ...1704 Sc.
• SPUNKY angry, irritable, irascible ...1809 Eng. & Amer. dial.
• TETCHIOUS tetchy, touchy, apt to take offense; irritable, irascible, peevish; testy, easily angered, ill-tempered ...1913 Amer. dial.
• TOUCHOUS tetchy, touchy, apt to take offense; irritable, irascible, peevish; testy, easily angered, ill-tempered ...1880 Amer. dial.
irascible - person
• ATTERCAP an irascible person ...1892 Eng. dial.
• FICE (derogatory) a person or animal that is irascible, touchy, or bad-tempered ...1915 Amer. dial.
• FISTE, FYST (derogatory) a person or animal that is irascible, touchy, or bad-tempered ...1915 Amer. dial.
• MAHUGGER a sour, irascible old man ...1950 Sc.
• TARTAR a savage person; a rough and violent or irritable person, an irascible person; an ill-natured, shrewish woman, a vixen, a termagant ...1663
• TEARER a passionate, irascible person; a shrew, a vixen, a virago ...1850 Sc.
irascible - verbs
• HAVE A BUG UP ONE'S ASS to be irascible and touchy ...1954 Amer. dial.

IRATE - adjectives
• AERATED very lively, highly animated; overexcited; angry, irate ...1912 colloq., chiefly Brit.
• AERIATED, AIRYATED of a person: overexcited; angry, irate ...1974 colloq.

IRE - adjectives
• WRAW † angry, wrathful, vexed, fierce; characterized by anger or ire ...c1205 obs. exc. Eng. dial.
ire - nouns 
• EBENEZER one's passions, esp. ire ...1836 US sl.
• GRAME † anger, wrath, ire ...c1000
• NANTY temper, ire; a drubbing, a scolding ...1935 Sc. sl.
ire - person 
• ASH-CAT a lazy person who crouches over the fire ...1808 Eng. dial.
 
IRELAND, IRISH - adjectives
• DUNDONIAN relating to Dundee ...1867
• IRELANDISH Irish; of Irish background and manners ...1924 Amer. dial.
• IRISH AS MICKEY'S MOTHER, AS full-blooded Irish ...1965 Amer. dial.
• IRISH AS PADDY'S PIG(S), AS fully and obviously Irish ...1974 NZ & Aust. sl.
• MICK Irish ...L19 sl., orig. US
• OIRISH Irish ...1962 UK sl.
• PADDY Irish ...20C sl.
• SHANTY IRISH (derogatory) of or belonging to people of Irish descent in poor circumstances ...US
 ​• ULTONIAN belonging to Ulster ...1766
Ireland, Irish - nouns 
• AMERICAN WAKE a farewell party for those emigrating to America in the late nineteenth century and early twentieth century ...1986 Ireland sl.
• ANIMAL GANG members of the Fascist Blueshirt movement 1920s-1930s ...Irish sl.
• FAR-DOWN Ulster ...L19 Aust. sl.
• GREEN SOD Ireland ...19C sl.
• MEDIUM, THE. the Irish language ...20C Irish
• MURPHY LAND Ireland ...M19 sl. 
• OLD DART England, or Ireland ...M19 Aust. & NZ sl.
• OLD LADY OF WESTMORELAND STREET the Irish Times ...M19 Irish
• OLD SOD Ireland ...19C sl.
• OULD SOD Ireland ...19C sl.
• PADDY-BASHING beating up Irish people, usually used of soldiers in Northern Ireland ...2000s sl.
• PADDYISM an Irish peculiarity, an Irishism ...1801
• PADDYLAND Ireland ...19C sl.
• PADDY'S ISLE Ireland ...19C sl. 
• PADDY'S LAND Ireland ...19C sl.
• PAPER-SHADE IRISH lower class Irish ...1967 Amer. dial.
• PATLAND Ireland ...M19 sl.
• RAILROAD IRISH the Irish working class ...1910s US sl.
• SHANTY IRISH (derogatory) shanty Irish people collectively ...US
• SOD Ireland ...19C sl.
• URINAL OF THE PLANETS (derogatory) Ireland ..17C Brit. sl.
• WOLFLAND † a former nickname for Ireland ...1692
Ireland, Irish - person
• ALICKADOO a rugby club official or committee member ...1997 Ireland sl.
• BAN a Lord Lieutenant of Ireland ...1909 Irish sl.
• BARK an Irishman ...1869 Eng. dial.
• BARK-ISLANDER an Irish person ...c1850 UK sl.
• BLACK IRISH 1. an Irish person with black hair and dark complexion ...Bk1998 New York sl.
2. (usually derogatory) an Irish Protestant ...Bk1998 New York sl.
• BLACK PROTESTANT 1. a Protestant settler in Ireland at the time of the Cromwellian Settlement of 1652 ...1829
2. (derogatory and offensive) a staunch Irish Protestant, esp. one characterized as intolerant or bigoted; also used as a more general term of abuse for an Irish Protestant ...1958
• BLACK-MOUTH an Irish Protestant dissenter ...1843 Ireland
• BOGLANDER an Irish person ...1834 Amer. dial.
• BOG-TROTTER (derogatory) an Irish person ...1682 sl.
• CASTLE CATHOLICS Irish Catholics who rejected nationalism, preferring to curry favour with and ape the lifestyle of the ruling British ...E19 sl.
• CHEW an Irish person ...1929 Amer. dial.
• DEAR JOY † a familiar appellation for an Irishman ...1688
• DUBLIN JACKEEN a Dubliner, as opposed to a country person ...M19 Anglo-Irish
• DUNDONIAN a native or inhabitant of Dundee ...1861
• FAR-DOWN (formerly often derogatory) an Irish-American whose family came from the north of Ireland ...1834 Amer. dial.
• FAR-DOWNER (formerly often derogatory) an Irish-American whose family came from the north of Ireland ...1857 Amer. dial.
• GAELICK a homosexual Irishman ...1980s US homosexual sl.
• GARDA a member of the state police force of Ireland, known as the Garda Síochána; an Irish policeman ...1943
• GAS-HOUSE MICK a poor or lower-class Irish person ...1912  US police sl.
• GRECIAN an Irish person ...M19 sl.
• GREEK an Irish person ...E19 sl.
• GURRIER orig., a Dublin street urchin; now usually: a rough, aggressive young man; a lout, a hooligan; also, a term of abuse ...1936 Ireland colloq.
• HARP (often derogatory) a person of Irish birth or descent ...1904 Amer. dial.
• HIBERNIAN a native of Ireland; an Irishman ...1709
• HIBERNO-CELT an Irish Celt ...Bk1895
• HIBERNOLOGIST a student of or authority on Hibernology (the study of Irish antiquities and history) ...a1869
• HIBERNOPHOBE one who has a dread of or antipathy to the Irish ...1889 nonce word
• IRISH † an Irishman ...1719 obs. exc. hist. 
• IRISHER an Irishman; a person who is Irish or of Irish descent ...1807 Eng. & Amer. dial.
• IRISHES † Irishmen ...1650 Sc.
• JACKEEN 1. a Dubliner, as opposed to a country person ...M19 Anglo-Irish
2. a nickname for a conceited Dublin citizen of the lower class ...Bk1910 Ireland 
• JIB at Dublin university: a first-year's man ...Bk1896 sl.
• LACE-CURTAIN IRISH successful, middle-class Irish-Americans or Irish immigrants; Irish Americans who prospered or married well, or those having social or economic pretensions; sometimes used derisively ...1929 US sl. 
• MAC an Irishman or Scotsman ...1617 sl.
• MACK † a term of contempt for a Celtic Irishman ...1617
• MANTLEMAN † one of the poor Irish of the fifteenth to seventeenth centuries whose clothing consisted of a single 'mantle' or 'plaid' ...1633
• MANTLER † one of the poor Irish of the fifteenth to seventeenth centuries whose clothing consisted of a single 'mantle' or 'plaid' ...1653
• MICK (not always derogatory) an Irishman ...1856 sl.
• MICK DOOLAN an Irish immigrant; a Roman Catholic ...20C NZ sl.
• MICKEY DO, MICKEY DOO an Irish immigrant; a Roman Catholic ...20C NZ sl.
• MICKEY DOOLAN, MICKEY DOOLIN, MICKY DOOLAN an Irish immigrant; a Roman Catholic Irish person...20C NZ sl.
• MICKEY DOOLEY, MICKEY DOOLIE an Irish immigrant; a Roman Catholic ...20C NZ sl.
• MICKEY, MICKIE, MICKY an Irishman; a man of Irish descent ...1856 Amer. dial.
• MIKE a generic term for an Irishman ...L19 US colloq.
• MIKEY an Irish person ...M19 US sl.
• MODERATOR at Dublin University: an honours graduate; so called because, prior to reform of the curriculum in 1833, students who performed well were asked to moderate the examinations of other students ...1838
• MOLLY * a member of a secret society formed in Ireland in 1843 in order to raise evictions from land for the non-payment of rent ...1917
• MOLLY MAGUIRE a member of a secret society formed in Ireland in 1843 in order to resist evictions from land for the non-payment of rent by terrorizing process-servers, etc.; so called from disguising themselves in women's clothes ...1844
• MOLLY MAGUIREITE †* a member of a secret society formed in Ireland in 1843 in order to resist evictions from land for the non-payment of rent ...1853
• MOLLY MALONES Dubliners ...1987 Irish sl.
• MOONLIGHTER a member of an Irish secret order that began a system of outrages about 1880; their work was done at night, and their notices to those whom they intended visiting were signed "Captain Moonlight," whence the name ...1889
• MOUNTAINY MAN a man from a remote or mountainous area of Ireland; also, (derogatory) such a man regarded as ignorant, uneducated or conservative in outlook ...1899 chiefly Irish English
• ORANGEMAN n. a Protestant Irishman; a Netherlander ...1967 Amer. dial.
• ORANGEY a Protestant Irishman; a Netherlander ...1895 Amer. dial.
• PAD 1. an Irishman ...1821 sl.
2. a nickname or intimate form of address for an Irishman ...1855 sl. 
• PADDY (often derogatory) an Irishman; often used as a nickname or intimate form of address ...1714 colloq. 
• PADDYLANDER an Irishman ...c1820 sl.
• PADDYWACK an Irishman ...1871 Amer. sl.
• PADDYWHACK (chiefly derogatory) an Irishman, esp. when large and brawny ...1773 colloq.
• PADDYWHACKER an Irishman; an Irish ragamuffin ...1909 Amer. sl.
• PALE-MAN * an inhabitant of the English Pale in Ireland ...1650 hist.
• PALESMAN an inhabitant of the English Pale in Ireland ...1879 hist.
• PAT (derogatory when used as a generic term) a nickname for an Irishman ...1806
• PATESS a nickname for an Irishwoman ...19C
• PATLANDER an Irish person ...E19 sl.
• PATTY (derogatory when used as a generic term) a nickname for an Irishman ...L18
• PIG IRISH Irish people or people of Irish descent, esp. those belonging to the lower classes or retaining lower-class traits ...1932 Amer. dial.
• PIGPEN IRISH Irish people or people of Irish descent, esp. those belonging to the lower classes or retaining lower-class traits ...1932 Amer. dial.
• PIGSHIT IRISHMAN an Irish person or one of Irish descent, esp. one belonging to the lower classes or retaining lower-class traits ...1968 Amer. dial.
• POTATO CONSUMER an Irishman ... 1890 UK sl.
• POTATO HEAD an Irishman ... 1983 UK sl.
• POTATO NIGGER an Irishman ...2017 sl.
• RAPPAREE an Irish pikeman or irregular soldier, of the kind prominent during the war of 1688-92; hence, an Irish bandit, robber, plunderer, or freebooter; any ruffianly vagabond ...1690
• RED-NECK an Irishman ...1929 Amer. dial.
• SALT-WATER TURKEY (derogatory) a nickname for an Irishman who has crossed the ocean; a person of Irish descent; a Catholic ...1964 Amer. sl.
• SANS-POTATO an indigent Irishman ...1839
• SAVE-ALLS 'boys running about gentlemen's houses in Ireland, who are fed on broken meats that would otherwise be wasted' ...1785 Anglo-Irish sl.
• SHANTY IRISH Irish people or people of Irish descent; esp. those belonging to the lower classes or retaining lower-class traits ...1928 Amer. dial.
• SHANTYTOWN IRISH Irish people or people of Irish descent; esp. those belonging to the lower classes or retaining lower-class traits ...1965 Amer. dial.
• SHEENY an Irishman ...1982 Amer. dial.
• SKANGER a member of a Dublin/Kilkenny subcultural urban adolescent, teenage, and young-adult-male grouping that is given to hanging around and causing trouble ...2001 Ireland sl.
• SKEG a member of a subcultural social grouping of pubescent or adolescent girls ...2001 Irish sl.
• TAD 1. a person of Irish ancestry ...1914 Amer. dial.
2. an Irish Catholic ...20C US sl.
• TAGUE, TAIG an Irishman ...1623
• TATER-EATER an Irishman ...1867 sl., chiefly US usage
• TEAGUE a nickname for an Irishman ...1623 colloq. arch.
• TEAGUELANDER † an Irishman ...1689
• TEG, TEIG an Irishman ...M17
• TIPPERARY FORTUNE an Irish woman with no fortune other than her body ...L18
• TURF-CUTTER (derogatory) an Irishman ...20C sl.
• TURK (usually derogatory) a person of Irish birth or descent ...1914 sl., chiefly US
• TURKEY a person of Irish descent; a Catholic ...1911 Amer. dial.
• TWO-TOILET IRISH middle-class descendants of lower-class Irish immigrants ...1973 Amer. dial.
• ULSTERITE a native or inhabitant of Ulster ...1920
• ULSTERMAN a native or inhabitant of Ulster ...1845
• ULTAGH † an Ulsterman ...1649 Anglo-Irish
• ULTONIAN an inhabitant or native of Ulster ...1781
• WHISKYHEAD an Irishman ...1965 Amer. dial.
• YELLOW-BELLY a native or inhabitant of County Wexford in Ireland ...1826
• YOUNG-IRELANDER a member or supporter of Young Ireland, an Irish political, cultural, and social movement of the mid 19th century, espousing nationalist principles and eventually playing a leading role in a failed rebellion in July, 1848 ...1844
Ireland, Irish - phrases
• STRAIGHT FROM THE BOG (derogatory) used of an Irish immigrant to the UK ...L19 sl.
 
IRIS - nouns
• POOR MAN'S ORCHID an iris ...1966 Amer. dial.
• RAINBOW-FLOWER the Iris ...Bk1914
 
IRIS - see EYE
 
IRISH - see IRELAND

IRK - verbs
• GET ONE'S ANGORA to irk, to annoy, to anger or exasperate someone; to discomfit or rattle one ...1915 Amer. sl.
• NIRK to irk, to annoy, to harass, to weary ...1861 Eng. dial.
 
IRKSOME - adjectives
• ELENGE † very long, tedious, weary, irksome ...c897
• FASHIOUS troublesome, annoying, irksome ...1536 Sc. & Eng. dial.
• FASHOUS troublesome, annoying, irksome; of a task: tricky, ticklish ...1731 Sc.
• IMPORTUNE persistent or pressing in solicitation; pertinacious; irksome through persistency of request ...1447
• TOR † difficult, hard, toilsome; irksome, tedious ...c1200
• YERKSOME annoying, irksome ...1883 Sc.
irksome - nouns  (includes IRKSOMENESS)
• MURDER a very irksome experience ...1924 sl.
• PAINFULNESS the quality of causing trouble or labour; difficulty, troublesomeness, irksomeness ...1526 arch.
 
IRON - adjectives
• IRE made of iron ...1892 Eng. dial.
• IRONEN made of iron ...Bk1902 Eng. dial.
• IRONY hard or strong as iron ...1791 Sc.
• SIDEREOUS * composed of iron ...1830
• SIDERIC * pert. to iron ...1876
• SIDEROSE * similar to iron ...1811
• SIDEROUS * having the qualities of iron ...1811
iron - nouns 
• FARMENTS †* iron fittings ...1440
• FARREMENTS †* iron fittings ...1440
• GALVANISE sheets of corrugated iron ...1965 Barbados
• GALVO galvanised iron ...1945 Aust. sl.
• IRE iron ...1777 Eng. dial.
• IRE-GEAR ironwork; ironware ...1825 Eng. dial.
• IRE-STUFF ironwork ...Bk1902 Eng. dial.
• MARS † in old chemistry: the metal iron ...c1386
iron - person
• IRE-MONGER an ironmonger ...Bk1902 Eng. dial.
• YAGER a dealer in scrap-iron ...Bk1905 Eng. dial.
 
IRON MAIDEN  - interjections
• UP THE IRONS! used as a greeting, esp. between Iron Maiden fans ...1995 US sl.
 
IRRATIONAL - adjectives
• ABERRATIONAL pert. to aberration; eccentric, irrational, or unsound ...1866
• INSANE idiotic, utterly senseless, irrational, obsessive ...M19
• JIGGERED irrational, not sound-minded  having a 'screw loose' ...1895 Amer. dial.
• JIGGERY irrational, unstable, crazed, deranged, not sound-minded  having a 'screw loose' ...1895 Amer. dial.
• WACKED UP crazy, odd, irrational ...1947 US sl.
irrational - nouns  (includes IRRATIONALITY) 
• BESTIALITY want of intelligence; irrationality, stupidity, brutality ...c1374
• IMPERTINENCES something unsuitable, out of place, trivial, or irrational; an incongruity; a trifle, absurdity, piece of folly ...1603
• JAG a bout of irrational or compulsive behaviour; a period of indulgence in a particular type of behaviour ...1913 Amer. dial.
irrational - person
• FANTASTICO † an absurd and irrational person ...1597
• JIGGER-HEAD one who is irrational, unstable, crazed, or deranged ...1895 Amer. dial.
• LOONY BIRD a person who is at least eccentric, at most mentally unstable or irrational ...1964 US sl.
• WACK a crazy, zany, irrational, peculiar, eccentric, or amusing person ...1938 sl., orig. US
• WACKER a crazy, zany, irrational, peculiar, eccentric, or amusing person ...1965 Aust. sl.
• WACKO a crazy, eccentric, or irrational person ...1977 sl., orig. & chiefly US
irrational - verbs 
• ACT THE JINNIT to play the fool; to act irrationally ...20C Irish sl.
• FLIP OUT to lose control of one's emotional state; to become very upset and irrational ...Bk1995 US sl.
• FREAK OUT to lose control of one's emotional state; to become very upset and irrational ...Bk1995 US sl.
• GO BALLISTIC to go out of control; to become angry or irrational ...1971 US sl.
• LUNCH to act in a silly or irrational manner; to overreact; to procrastinate ...1980s US Black & teen sl.
irrational - phrases
• NOT COOKING ON ALL FOUR BURNERS not to have all of one's faculties ...Bk1995 US sl.

IRRECOVERABLE - adjectives
• UNCOVERLICH † irrecoverable ...c1230
 
IRREFUTABLE - adjectives
• UNCONTROLLABLE † indisputable, irrefutable ...1577
 
IRREGULAR - adjectives
• ABERRANT deviating widely from the ordinary or natural type, exceptional, irregular, abnormal ...1830
• ABNORMOUS irregular, misshapen ...1742
• ALL MAKES AND SHAPES ill or strangely formed; very irregular ...Bk1905 Eng. dial.
• ECCENTRICAL exceptional, irregular ...a1652
• LEFT-HANDED irregular; illicit; dubious ...1612
• MINGLE-MANGLE irregular, confused, mixed ...1577
• NOT IN THE BOOK not allowed, irregular
• OONWANDAN unexpected, unusual, unsteady, irregular ...1929 Sc.
• RAGGLED straggling, irregular, ragged ...1795 Sc.
• RAMBLE-SCRAMBLE wanting in system; confused, irregular, disorderly ...1833
• SCRAWMY irregular, unshapely; lanky, large, straggling, spreading ...Bk1904 Eng. dial.
• SKY-BOTTLIN crooked, lopsided, irregular ...1995 Amer. dial.
• SKY-GODLIN crooked, lopsided, irregular ...1869 Amer. dial.
• SKY-GOG crooked, lopsided, irregular ...1916 Amer. dial.
• SKY-GOGGLIN crooked, lopsided, irregular ...1953 Amer. dial.
• SKY-WADDLIN crooked, lopsided, irregular ...1953 Amer. dial.
• TUMULTUARIOUS * hurriedly done; irregular, disorderly, confused; haphazard, random ...1607
• UNFORMAL † irregular; not according to form ...1799 Sc.
• UNREGULAR irregular, uneven; unpunctual ...1868 Sc. & Eng. dial.
• UNSUITY irregular, not uniform; unequal, uneven ...Bk1905 Eng. dial.
• WALL-EYED said of any odd or irregular action ...20C sl.
irregular - nouns  (includes IRREGULARITY)
• ACRASY † irregularity, disorder, intemperance, excess ...1596
• BRAISSILS fits and starts ...Bk1911 Sc.
• DEREGLES loose habits, irregularities; deceptions, fraudulent informations ...B1900 Sc.
• RAGGEDNESS irregularity, lack of uniformity ...1885
• WALL-EYED JOB any work irregularly or ill done; also, any very irregular action ...1847 sl.
 
IRREGULARLY - adverbs
• HAM-SAM irregularly, confusedly; hastily; in confusion or disorder ...1851 Eng. dial.
• HAM-SCRAM irregularly, confusedly; hastily; in confusion or disorder ...1851 Eng. dial.
• HIM-SAM irregularly, confusedly; hastily; in confusion or disorder ...1851 Eng. dial.
 
IRRELEVANCE - nouns
• ALSO-RAN a useless person; a failure; an irrelevance ...L19 sl., orig. Aust. horse-racing usage
 
IRRELEVANT - adjectives
• FARTING trivial, irrelevant ...1930s sl.
• IMMATESTICLE immaterial, irrelevant, of no concern ...1967 Amer. dial.
• IMMATISTICAL immaterial, irrelevant, of no concern ...1967 Amer. dial.
• STRAVAGANT † irrelevant, unsuitable ...1565
• TANGENT 'flying off at a tangent'; divergent, irrelevant, erratic ...1787
• X'ED OUT used of something that, while once important, is no longer relevant ...1970s US Black sl.
irrelevant - nouns 
• ANCIENT HISTORY the past or a past event considered as no longer relevant, important, or interesting ...1838 colloq.
• IMPERTINENT † an irrelevant matter ...1628
• STRAVAGANT † something irrelevant ...1565
irrelevant - verbs
• LEAN BESIDE THE CUSHION † to miss the point; to beside the mark; to be irrelevant ...1576
• X OUT to dismiss something as no longer important or relevant ...1970s US Black sl.
 
IRRELEVANTLY - adverbs
• UNAPPOSITELY irrelevantly ...1680
• VAGRANTLY † irrelevantly ...1547
 
IRRELIGIOUS - adjectives
• UNCIRCUMCISED not spiritually chastened or purified; irreligious; heathen ...a1400
irreligious - person
• ZENDIK an adherent of any of various sects considered to be heretical; a heretic; an irreligious person; chiefly with reference to Persia or the Ottoman Empire ...1667
• ZINDICK an adherent of any of various sects considered to be heretical; a heretic; an irreligious person; chiefly with reference to Persia or the Ottoman Empire ...1667
• ZINDIQ an adherent of any of various sects considered to be heretical; a heretic; an irreligious person; chiefly with reference to Persia or the Ottoman Empire ...1667

IRREMEDIABLE - adjectives
• UNBOTELICH † irremediable ...c1230
• UNREMEADFUL † irremediable ...1814 Sc.
 
IRREPARABLE - adjectives
• WACKED beyond repair ...1997 UK sl.
 
IRREPROACHABLE - adjectives
• SANCTORUM † irreproachable ...1824
 
IRRESISTIBLY - adverbs
• UNAGAINSTANDABLY † irresistibly ...c1449
 
IRRESOLUTE - adjectives
• BACKING AND FILLING irresolute; dilatory; hesitant; shifty ...c1840 Eng. colloq.
• BINGLE-BANGLE fickle, vacillating, irresolute ...1825 Eng. dial.
• BRANLING † wavering, vacillating, irresolute ...c1645
• UNDERF † irresolute, weak ...a1225
• WAFFLE changeable, irresolute; feeble, weak; worthless ...1867 Sc.
irresolute - person 
• BETTY a weak-minded, irresolute person ...Bk1898 Eng. dial.
• HESITATER one who hesitates, wavers, or is irresolute; a waverer ...1853
• LIMBERHAM an irresolute or vacillating person ...a1704
• SCONE a weak-willed, irresolute person; one who is easily imposed on, a softie ...1969 Sc.
• TAFFY a weak-minded, thoughtless, irresolute person ...Bk1905 Eng. dial.
• TAFFY-HORN a weak-minded, thoughtless, irresolute person ...Bk1905 Eng. dial.
• TAFFY-NODDLES a weak-minded, thoughtless, irresolute person ...Bk1905 Eng. dial.
• TAFFY-NOODLE a weak-minded, thoughtless, irresolute person ...Bk1905 Eng. dial.
• TAFFY-WATTY a weak-minded, thoughtless, irresolute person ...Bk1905 Eng. dial.
• VACILLATOR one who vacillates or wavers; an irresolute person ...1890
irresolute - verbs
• HANG IN THE WIND to be or remain in dubious suspense; to be doubtful, undecided; to be irresolute, to vacillate ...1555
irresolute - phrases
• COULDN'T LAST A ROUND IN A REVOLVING DOOR weak or irresolute ...Bk1999 Aust. sl.

IRRESOLUTION - nouns
• BRANLING †* a wavering; an instance of irresolution or vacillation ...1646
• SHILLY-SHALLYING irresolution ...Bk1913-17 Amer. dial.
irresolution - verbs 
• BACK AND FILL to move hesitantly, to hesitate, to be irresolute ...B1840 orig. Eng. nautical
• BACKING AND FILLING shiftiness; irresolution ...E18 colloq.
• DACKER to remain or hang on in a state of irresolution; to vacillate, equivocate, waver ...1818 Sc. & N. Eng. dial.
• HAFFLE AND CAFFLE to shilly-shally ...1896 Eng. dial.
 
IRRESPONSIBLE - adjectives
• ACCOUNTLESS † free from accountableness; irresponsible ...1655
• ANTIC irresponsible, ungovernable, wild ...1936 Amer. dial.
• BUBBLE-HEADED out of touch with reality, empty-headed, daft, silly, irresponsible ...1952 sl., orig. US
• COCKAMAMIE out of touch with reality, empty-headed, daft, silly, irresponsible ...1950 US sl.
• COCKAMAMY out of touch with reality, empty-headed, daft, silly, irresponsible ...1950 US sl.
• COCKAMANIE out of touch with reality, empty-headed, daft, silly, irresponsible ...1950 US sl.
• COCKAMANY out of touch with reality, empty-headed, daft, silly, irresponsible ...1950 US sl.
• DILLY out of touch with reality, empty-headed, daft, silly, irresponsible ...1905 sl., chiefly Aust.
• DITSEY scatterbrained, irresponsible ...1976 Amer. dial.
• DITSY out of touch with reality, empty-headed, daft, silly, irresponsible ...1973 sl., orig. US
• DITZY out of touch with reality, empty-headed, daft, silly, irresponsible ...1973 sl., orig. US
• DIVVY out of touch with reality, empty-headed, daft, silly, irresponsible ...1975 Brit. sl.
• DIVY out of touch with reality, empty-headed, daft, silly, irresponsible ...1975 Brit. sl.
• DIZZY out of touch with reality, empty-headed, daft, silly, irresponsible ...1878 sl.
• GOOFY out of touch with reality, empty-headed, daft, silly, irresponsible ...1919 sl., orig. US
• GOOPY out of touch with reality, empty-headed, daft, silly, irresponsible ...1926 sl., orig. US 
• HAIRY-CUM-STAIRY harum-scarum, reckless, rash; irresponsible ...1919 Sc.
• IRRE-FUCKING-SPONSIBLE extremely irresponsible ...20C sl.
• RAMSTOUGAR irresponsible, harebrained, heedless ...1825 Sc.
• ROGUE uncontrolled, undisciplined, irresponsible ...M20
• UNACCOUNTABLE irresponsible, failing in memory, esp. used of old people ...Bk1905 Eng. dial.
irresponsible - nouns
• ANDRAMARTINS irresponsible or frivolous behaviour ...Irish sl.
• ANDREMARTINS irresponsible or frivolous behaviour ...Irish sl.
• ANDREW MARTINING irresponsible or frivolous behaviour ...Irish sl.
irresponsible - person 
• AIRHEAD a flighty, irresponsible person ...1971 sl.
• BILDERT a term of contempt; a slightly mischievous, irresponsible youth; a rascal ...Bk1892 Sc. & Eng. dial.
• DILLIGAF an irresponsible person (Do I Look Like I Give A Fuck?) ...US Vietnam War usage
• DILLIGAS an irresponsible person (Do I Look Like I Give A Shit?) ...US Vietnam War usage
• GAMSTER a giddy, irresponsible or frivolous woman ...c1920 Sc.
• GAPIE a stupid, gaping, or irresponsible person; a fool ...1908 Sc.
• GAPPY a stupid, gaping, or irresponsible person; a fool ...1908 Sc.
• GIDDY GOAT an irresponsible fool ...Bk1958 Eng. sl.
• HEEFUS a person who does not act responsibly, characterized by incompetence ...Bk1971 Boonville California jargon
• HEN-WIFE a cotquean, a coarse, vulgar, scolding woman; a feckless. irresponsible, or shiftless female ...Bk1886 Eng. dial.
• LALLYGAG a wastrel, a wasteful or good-for-nothing person; an irresponsible person ...1940s sl.
• LOLLYGAG a wastrel, a wasteful or good-for-nothing person; an irresponsible person ...1940s sl.
• MO-DICKER a despicable or contemptible person; a lazy, irresponsible person ...1968-70 Amer. sl.
• ONTAKER an irresponsible or untrustworthy person, esp. one who runs up debt ...1914 Sc.
• PISS ARTIST a drunkard; a person who fools about; a feckless or irresponsible person ...1962 colloq.
• SKATE a disreputable White male, from a working-class background, whose behaviour is uncouth, hedonistic, and irresponsible ...1970s S. Afr. sl.
irresponsible - verbs
• ARSE AROUND to idle, to loaf, to loiter, to fool about, to act irresponsibly, to trifle ...1664
• ASS AROUND to fool around, to loiter, to waste time; to wander aimlessly; to be idle; to act irresponsibly; to trifle ...1914 Amer. sl.
• HOON to behave in a loutish or irresponsible way; to drive fast or recklessly ...1983 Aust. & NZ colloq.
• PLAY TAM-TRAM to play fast and loose; to act recklessly, unreliably, irresponsibly, immorally, or thoughtlessly ...1866 Sc.
• PLAY THE GIDDY GOAT to frolic, to fool about, to act irresponsibly
• PLAY THE GOAT to frolic, to fool about, to act irresponsibly
• SHUCK AND JIVE to act irresponsibly; to fool around ...1970 Amer. dial.
• TIG-TOW to play fast and loose with; to behave irresponsibly or immorally; to act capriciously; to dally with ...1864 Sc.
irresponsibly - adverbs
• UNACCOUNTABLY † without being liable to be called to account; irresponsibly ...1679
 
IRRITABILITY - nouns
• BURR UNDER YOUR SADDLE BLANKET an unexplained irritability ...1987 Can. sl.
• BUTT, THE anger or irritability ...1973 Amer. sl.
• CABIN FEVER lassitude, restlessness, impatience, or irritability as a result of being confined in too small a space, with no variety in companions or occupations ...1918 sl.
• EAGERNESS † bitterness, irritability ...1475
• HYPO, THE † hypochondria; generally, depression, anxiety, irritability, or low spirits ...1701
• TILTISHNESS † ill-temper; touchiness, irritability ...1746 Eng. dial.
• VINNY nervous irritability ...1881 Eng. dial.
 
IRRITABLE - adjectives
• ATRY of persons: irritable, fretful, grim, ill-tempered ...1742 Sc.
• ATTERY of persons: irritable, fretful, grim, ill-tempered ...1742 Sc. & Eng. dial.
• AZZALD bad-tempered, irritable ...1841 Eng. dial.
• BANGIE irritable, quarrelsome, pettish ...Bk1898 Sc.
• BITCHY irritable; complaining ...Bk2006 US sl.
• CAINGY irritable, cross, peevish, ill-tempered ...1778 Eng. dial.
• CAPERNOITED crabbed, irritable, peevish; snappish; ill-natured, fractious ...1719 Sc.
• CAPERNOITY crabbed, irritable, peevish; slightly affected in the head by drinking, muddle-headed, wrong-headed ...1769 Sc.
• CARNAPTIOUS irritable, ill-tempered, quarrelsome, fault-finding ...1890 Sc. & Irish
• CATCHY impatient, irritable ...1895 Amer. dial.
• CRABBIT bad-tempered, irritable ...Sc. & Irish
• CRANKY irritable; fretful ...Bk2006 US sl.
• CROOK irritable, bad-tempered ,angry ...1911 Aust. & NZ
• DAIN cross, irritable ...1896 Eng. dial.
• DUSTY tetchy, irritable, out of sorts ...1980s US college sl.
• EAR-SORE † irritable, ill-tempered, morose, peevish, quarrelsome; apt to take offense ...1594 obs. exc. Eng. dial.
• EDGY nervous, irritable, tense ...1837 UK sl.
• ELVISH irritable, spiteful, mischievous ...1813 Eng. dial.
• FRATCHETY peevish, irritable, ill-tempered, cross, quarrelsome ...19C Eng. dial.
• FUDGY fretful, irritable, uneasy ...1819
• FUNKY †* prone to kicking; irritable, easily angered or enraged ...1855 Sc.
• GROUCHY ill-tempered, irritable, grumpy, cross, sulky ...1861 colloq.
• GROUTY sulky, cross, surly, peevish, sullen, ill-tempered, ill-natured, crabbed, grumpy, irritable ...1836 Eng. & Amer. dial.
• GRUMBLESOME irritable, complaining, given to grumbling ...1950 Amer. dial.
• GRUMPTIOUS irritable, sullen, inclined to grumbling ...B1900 Eng. dial.
• GRUNTY irritable, grouchy ...1892 Amer. dial.
• GUSTFUL fitfully irritable or emotional
• GUSTY fitfully irritable or emotional
• HASTISH quickly excited to anger; quick-tempered, passionate, irritable ...1749 Eng. dial.
• HAVE THE RAG ON to be distracted and irritable ...1963 US sl.
• HURRY-DURRY † impatient, irritable ...1672 nautical
• ILL-BLAINED morose, ill-tempered, irritable ...1887 Eng. dial.
• ILL-BLENDED morose, ill-tempered, irritable ...1887 Eng. dial.
• ILL-TWINED morose, ill-tempered, irritable ...1887 Sc.
• IN A FUME irritable, angry ...LME
• IRACUND inclined to wrath; prone to anger; passionate, irascible, irritable ...1821
• KNAGGY cross, snappish, querulous; irritable; sarcastic ...1840 Sc. & Eng. dial.
• KVETCHY given to or characterized by complaining or criticizing; ill-tempered, irritable ...1965 US colloq., chiefly Jewish usage
• MAGGOTISH ill-tempered, irritable ...20C Aust. sl.
• MAGGOTTY ill-tempered, irritable ...20C Aust. sl.
• MAGGOTY queer-tempered, fractious, cross, ill-tempered, irritable ...1890 Eng. dial.
• MEANY mean; irritable ...1941 Amer. dial.
• METTLY quick-tempered, irritable ...Bk1905 Eng. dial.
• MINNITY very irritable and impatient ...Bk1903 Eng. dial.  
• MUMPED UP irritable ...1903 Amer. dial.
• NAGGY cross, snappish, querulous; shrewish; irritable; ill-natured, bad-tempered, testy; sarcastic ...1825 Sc. & Eng. dial.
• NATTLE quick to take offense; touchy; irritable; cross ...1868 Eng. dial.
• NATTLED cross, ill-tempered, irritable ...Bk1905 Eng. dial.
• NAZY peevish, ill-tempered, irritable; low-spirited ...Bk1905 Eng. dial.
• NAZZY peevish, ill-tempered, irritable, cross; low-spirited ...1878 Eng. dial.
• NETTLESOME irritable ...1766
• NETTLY irritable ...1825
• NIGGEDY-NAGGETY irritable, nasty-tempered, bad-tempered ...1887 Eng. dial.
• ON OFFSIDES of a person: odd, peculiar; irritable, touchy, easily offended ...1969 Amer. dial.
• ON THE OFFSIDE of a person: odd, peculiar; irritable, touchy, easily offended ...1969 Amer. dial.
• ON THE PECK irritable; angry; ready to fight; short-tempered; easily offended ...1907 Amer. dial.
• ON THE RAG irritated, irritable, testy, bad-tempered ...1963 sl.
• OUCHY irritable, short-tempered, touchy, easily offended, sensitive, intolerant ...1966 Amer. dial.
• OUT OF ONE'S GEARS † out of sorts; irritable, grouchy ...a1700
• OWLY angry, cross, irritable, bad-tempered, easily offended; sulky, pouting ...1950 Amer. dial.
• PATCHY cross, irritable, testy, uncertain in temper ...1883 Eng. dial.
• PAUGHTY irritable, easily provoked, short-tempered ...B1900 Eng. dial.
• RASPISH * irritating, irritable ...1854
• RASPY easily exasperated, irritable, short-tempered ...1877
• RATTY irritable, annoyed, cross, bad-tempered ...1909 colloq., orig. UK
• REEDEN-LIKE as though irritable ...Bk1904 Eng. dial.
• REEDENT peevish, irritable, angry ...1781 Eng. dial.
• RINGY nervous; angry; irritable ...1928 Amer. dial.
• SHACK WACKY nervous or irritable as a result of confinement to close quarters ...1991 Amer. dial.
• SHIRTY irritable, ill-tempered, cross ...1846 sl.
• SHITTY irritable, ill-tempered, cross ...1846 sl.
• SHORT-GRAINED short-tempered, irritable ...B1900 Eng. dial.
• SHORT-METTLED short-tempered, irritable, hasty ...B1900 Eng. dial.
• SHORT-PATIENCED quick-tempered; excitable; touchy; irritable; easily offended; impatient ...1922 Amer. dial.
• SHORT-PATIENT quick-tempered; excitable; touchy; irritable; easily offended; impatient ...1922 Amer. dial.
• SNAKY irritable, angry, annoyed ...1919 Aust. & NZ sl.
• SNAPPY short-tempered; irritable ...1834 US sl.
• SNARKY irritable; touchy; sarcastic, snide ...1906 Amer. sl.
• SNITCHY tetchy, ill-tempered, irritable ...1970s NZ sl.
• SNORTY ill-tempered, disagreeable, captious, irritable, bad-tempered ...B1900 colloq.
• SPLENITIVE †* splenetic; irritable, morose, peevish, ill-humoured, quick-tempered, testy ...1633
• SPUNKIE, SPUNKY angry, irritable, irascible ...1809 Eng. & Amer. dial.
• STOMACHY easily angered; irritable ...Eng. dial.
• STREAKY irritable; short-tempered ...Bk1904 sl.
• TADIOUS peevish, fretful, fractious, irritable, difficult to please; fidgety, restless ...1892 Eng. dial.
• TAGEOUS peevish, fretful, fractious, irritable, difficult to please; fidgety, restless ...1892 Eng. dial.
• TARRY irritable, verging towards spiteful anger ...Bk1905 Eng. dial.
• TATCHY touchy, irritable, peevish, fretful, cross ...1746 Eng. dial.
• TECHEOUS touchy, irritable, fretful, short-tempered ...1842 Amer. dial.
• TECHOUS touchy, irritable, fretful, short-tempered ...1903 Amer. dial.
• TECHY touchy, irritable, fretful, short-tempered, peevish, easily offended, sensitive ...1815 Amer. dial.
• TEDDIOUS peevish, fretful, fractious, irritable, difficult to please; fidgety, restless ...1892 Eng. dial.
• TEDIOUS peevish, fretful, fractious, irritable, difficult to please; fidgety, restless ...1892 Eng. dial.
• TEECHY tetchy, peevish, irritable, short-tempered; easily offended or angered ...1691 Eng. dial.
• TETCHEROUS touchy, irritable, fretful, short-tempered ...1976 Amer. dial.
• TETCHIFIED touchy, irritable, fretful, short-tempered ...1944 Amer. dial.
• TETCHIOUS touchy, irritable, fretful, short-tempered ...1913 Amer. dial.
• TETCHOUS touchy, irritable, fretful, short-tempered ...1842 Amer. dial.
• TETCHOUS AS A SKINNED EEL touchy, irritable, fretful, short-tempered ...1842 Amer. dial.
• TETCHSOME touchy, irritable, fretful, short-tempered ...1966 Amer. dial.
• TETCHY touchy, irritable, fretful, short-tempered, peevish, easily offended ...1592
• TETTY † easily offended; irritable, peevish; captious, testy, cross-tempered; bad-tempered ...1621 obs. exc. Sc.
• THREE-CORNERED irritable ...Bk1905 Eng. dial.
• THREE-NOOKED irritable ...Bk1905 Eng. dial.
• THREE-SQUARE irritable ...Bk1905 Eng. dial.
• TICKY irritable; itchy; affected by ticks or lice ...1857 Eng. dial.
• TIFFY given to fits of ill-temper; petulant, touchy, irritable, pettish, ill-humoured, uncertain in temper ...1810 Sc. & Eng. dial.
• TIFTY given to fits of ill-temper; petulant, touchy, irritable, uncertain in temper ...Bk1905 Sc. & Eng. dial.
• TILTISH † easily offended, irritable, touchy ...1746 Eng. dial.
• TILTY † easily offended, irritable, touchy ...1825 Eng. dial.
• TIMMY irritable, fretful ...Bk1905 Eng. dial.
• TITCHY tetchy, peevish, irritable, short-tempered; easily offended or angered ...1691 Eng. dial.
• TOEY agitated, restless, nervous, on edge, irritable ...1930 sl., chiefly Aust.
• TOITISH saucy, pert, or impudent; easily offended; flighty in temper; irritable, ill-tempered, snappish ...1846 Eng. dial.
• TOUCHOUS tetchy, touchy, apt to take offense; irritable, irascible, peevish; testy, easily angered, ill-tempered ...1880 Amer. dial.
• UNPEACEABLE irritable, quarrelsome ...Bk1905 Eng. dial.
• UPPISH irritable, easily offended ...L18 sl.
• WREEDEN peevish, irritable, angry ...1781 Eng. dial.
• WRIDDEN peevish, irritable, angry ...1781 Eng. dial.
• YAPPY sharp and unpleasant of speech; cross, irritable; usually applied to old people ...Bk1905 Eng. dial.
irritable - person
• ABE an irritable or low woman ...Bk1971 Boonville California jargon
• BANGREE an ill-natured, ungovernable woman; a contentious, irritable, scolding woman ...Bk1888 Sc.
• BEAR a gruff, irritable person ...1638 sl.
• BEAR WITH A SORE HEAD, A a gruff, irritable person ...c1638
• BITCHER a complainer, a whinger; an irritable person who is constantly complaining ...1937 US sl.
• BITCH KITTY an obstinate, disagreeable, or bad-tempered girl or woman; a difficult, irritable, complaining woman ...c1930 Amer. sl. 
• DEAD BATTERY an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GLOOM PAN an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GLOOM PUSS an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GLOOMY PAN an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GLUMP a sulky, sullen, morose person; an irritable or gloomy person; a pessimist ...1804 Sc. & Eng. dial.
• GLUM PAN an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GLUM-POT an irritable, gloomy, or glum person; a melancholy or ill-tempered person; a pessimist ...1917 US sl.
• GLUM PUSS ON A HOLIDAY an irritable or gloomy person; a pessimist ...World War II Amer. sl.
• GROUCH-BOX an irritable or grouchy person; a scolder; a mean, bad-tempered person; one who always finds fault; a complainer ...1960 Amer. dial.
• GROUCH-POT an irritable or grouchy person; a scolder; a mean, bad-tempered person; one who always finds fault; a complainer ...1968 Amer. dial.
• MOB-CAP a hasty-tongued, irritable person...Bk1895 Eng. dial.
• MOP-CAP a hasty-tongued person, a tartar, a rough and violent or irritable person ...Bk1895 Eng. dial.
• NETHER an ill-natured or irritable person ...1924 Sc. 
• SAD APPLE a gloomy person, frequently irritable, introverted, or pessimistic; usually a person unnoticed socially; a drip ...Bk1975 Amer. sl.
• SPARROW-FART an irritable child ...1975 Irish sl.
• SPUNKIE, SPUNKY a person of an irritable and fiery temper ...1821 Sc.
• TARTAR a savage person; a rough and violent or irritable person, an irascible person; an ill-natured, shrewish woman, a vixen, a termagant ...1663
irritable - verbs
• FALL OFF THE ROOF to be in a nervous, irritable state ...1970s US gay sl.
• GET OUT OF BED BACKWARDS to be irritable or ill-tempered ...Bk1898 Eng. dial.
• GET UP BACKWARDS to be irritable; to get up on the wrong side of the bed ...1941 Amer. dial.
• HAVE SHIT ON THE LIVER to be irritable ...1935 Aust. sl.
• MUMP (AROUND) to act dejected or ill-humoured; to be irritable ...1887 Amer. dial.

IRRITATE - person
• GAD-FLY one who irritates, torments, or worries another ...1649
• GALLER * one who galls or irritates ...1674
irritate - verbs 
• AG to irritate, as by teasing ...1908 Sc.
• AGG to irritate, as by teasing ...1908 Sc.
• AGGERPERVOKE to aggravate, to irritate, to provoke, to annoy ...1923 Amer. dial.
• AGGRATE to irritate ...19C Eng. dial.
• AGGRANOY to irritate, to annoy ...L19 sl.
• AGGROVOKE to annoy, to irritate ...1920s Aust. sl.
• AGRONOY to irritate, to annoy ...L19 sl.
• AGROVOKE to annoy, to irritate ...1920s Aust. sl.
• AMARICATE †* to irritate, embitter ...1651
• BUG to bother, to annoy, to irritate, to vex, to infuriate ...1949 Amer. dial.
• BUZZ to annoy, to irritate ...1952 Amer. sl.
• CAG to irritate; to annoy; to affront; to anger ...1801 Eng. dial.
• CHAP SOMEONE'S ASS to irritate or annoy someone ...1961 US sl.
• CHAP SOMEONE'S REAR to irritate or annoy someone ...1961 US sl.
• DIG to bother, to irritate one ...1967 Amer. dial.
• DRIVE to irritate someone intensely ...c1950 Aust. teen sl.
• EAGER † to excite, to irritate, to provoke; to become exasperated ...c1374
• EAT ONE UP to irritate one greatly ...Bk1995 US sl.
• EGG to tease, to annoy, to pester, to irritate; to importune, to find fault continually, to nag ...1746 Eng. & Amer. dial.
• ENGRAGE to irritate, esp. by satire ...Bk1900 Sc.
• ERK to annoy, to irritate ...2000s US Black sl.
• ERT to urge onward, to incite; to irritate ...1789 Sc.
• EXULCERATE to exasperate, to irritate; to aggravate a disease or sorrow ...1593
• FART ABOUT to irritate ...1980s sl.
• FRAB to harass, worry, fret, fidget; to irritate, excite ...1848 Eng. dial.
• FUSSOCK with about: to make a fuss, to bustle about quickly; to fidget, to irritate ...1892 Eng. dial.
• GALL to annoy, to vex, to irritate, to hurt in feeling; to chafe, to fret, to become pettish ...1602
• GET IN SOMEONE'S HAIR to annoy or irritate someone ...1949 US sl.
• GET ONE'S GOAT to get the best of one ...Bk1913-17 Amer. dial.
• GET ONE'S NANNY to irritate, to annoy one ...1908 Amer. dial.
• GET ONE'S NANNY-GOAT to irritate, to annoy or infuriate one ...1914 sl.
• GET UNDER YOUR SKIN to irritate; to become constantly irritating ...1896 UK
• GET UP SOMEONE'S NOSE to irritate, to anger ...1951 US sl.
• GIVE A PERSON GYP to hurt a person, to cause pain for; hence, to cause trouble for, to irritate or distress ...1894
• GIVE ONE THE IRRITS to annoy or irritate ...Bk1999 Aust. sl.
• GIVE ONE THE PIP to annoy or irritate; to make angry, bad-tempered, or dispirited ...1896
• GIVE ONE THE SHITS to annoy or irritate ...1928 Aust. & NZ sl.
• GIVE ONE THE WORMS to exasperate, to irritate, to annoy ...20C Aust. sl.
• GREISSEL to disgust, to sicken, to nauseate, to irritate ...1939 Amer. dial.
• HACK to annoy, to irritate, to anger; to provoke; to goad ...1893 Amer. sl.
• HACK OFF to annoy, to irritate, to anger; to provoke; to goad ...L19 Amer. sl.
• HAG(G) excite to quarrel; to provoke, to irritate; to annoy, to incite; to complain, to find fault  ...1806 Eng. & Amer. dial.
• HELL-HACK to irritate, to annoy; to embarrass ...L19 sl.
• JACK UP to call to account; to rebuke; to reprove severely, to reprimand; to scold; to irritate ...1896 Amer. dial.
• JAG to vex, to irritate, to annoy, to trouble; to pain, to rankle ...1888 Eng. dial.
• JAG OFF to annoy, to irritate, to play tricks on; to disparage; to reject ...1968 Amer. dial.
• KAIM AGAINST THE HAIR to oppose, to ruffle, to irritate (kaim = comb) ...1768 Sc.
• KEG to irritate; to annoy ...E19 Eng. dial.
• MAKE SOMEONE'S BRISTLES RISE to irritate, to infuriate ...M19 sl.
• MAKE SOMEONE'S NIPPLES ACHE to irritate, to annoy ...1950s sl.
• MAR to annoy, to irritate ...Bk1905 Eng. dial.
• MIFF to put a person out of humour; to offend, to irritate somebody ...1811
• MUCK ABOUT to irritate, to tease ...M19 sl.
• NARK to annoy, to vex, to irritate, to exasperate; to infuriate; to become annoyed ...1860 Eng. dial. & sl.
• NEEDLE to annoy, to irritate ...1812 sl.
• NETTLE to irritate, to vex, to anger, to provoke ...1562
• NIGGLE to irritate, to cause a slight but persistent annoyance ...1796 UK colloq.
• OFGRAME †* to vex, to irritate ...c1200 obs
• OFTENE † to irritate ...a1250
• PISS OFF to annoy, to irritate, to depress a person ...1946 sl.
• POKE to stir up; to incite, to goad, to irritate ...c1400
• PRORITATE † to stir up, to provoke, to irritate, to incite ...1620
• PUT ON to annoy; to irritate ...1960s sl.
• RAFT to irritate ...Bk19C Eng. dial.
• RASP to grate upon, to irritate ...1810
• ROIL to disturb in temper; to irritate, to make angry ...M18
• ROUGH UP * to upset, to irritate, to ruffle ...1877
• ROYLE to vex; to irritate; to disturb ...Bk1903 sl.
• STROKE THE FUR THE WRONG WAY to irritate someone ...1870 
• TAISLE to tease, to irritate, to vex ...1825 Sc.
• TAIVER to annoy, to vex, to irritate; to bewilder or confuse with much talking or questioning; to lead astray ...1861 Sc.
• TAR † to irritate, to vex, to provoke ...a1000 obs. or arch.
• TARRE † to irritate, to vex, to provoke ...a1000 obs. or arch.
• TAVER to annoy, to vex, to irritate; to bewilder or confuse with much talking or questioning; to lead astray ...1861 Sc.
• TERRIFY to annoy, to irritate; to tease, to worry; to importune; to torment, to pain ...1839 Eng. dial.
• TICKLE † to vex, to irritate, to provoke ...1547-64
• TIFF to excite; to irritate ...Bk1905 Eng. dial.
• URP to annoy, to bother, to irritate ...1967 Amer. dial.
• VELLICATE of things: to act upon or affect so as to irritate; to nip, to pinch, to tear a part of the body by means of small or sharp points ...1604
• YAG to make a noise; to talk angrily; to importune incessantly; to irritate, to nag; to quarrel ...1892 Sc. & Eng. dial.
• YANK SOMEONE'S CHAIN to irritate someone; to annoy someone; to remind or distract someone forcibly ...1980s sl.
irritate - phrases
• IT'LL GIVE YOU THE SQUIRMS it will horribly embarrass or irritate you ...c1930
 
IRRITATED - adjectives
• AG angry, annoyed, irritated, aggravated ...1990s US college sl.
• AGGRO aggravated, irritated, annoyed ...Bk2000 Amer. sl.
• ALL MUGGLED UP confused and irritated ...1984 Amer. dial.
• BUGGIN' irritated; perturbed ...20C teen & high school sl.
• BULL-GOADED extremely irritated ...1964 Amer. dial.
• CAGGED irritated, angry, annoyed, vexed, offended; grieved ...Bk1898 Sc. & Eng. dial.
• DANDERY irritated; angry; alarmed ...1838 US sl.
• EGGY angry, irritated ...1920s sl., orig. US
• EXULCERATED irritated, embittered, exasperated ...1640
• HACKED angry, irritated; annoyed and disappointed ...1892 sl., orig. US
• HACKED OFF very angry, irritated, confused;  annoyed and disappointed ...1892 sl., orig. US
• HACKED UP angry, annoyed; irritated; confused; tired...1984 Amer. sl.
• JACKED OUT annoyed, irritated, angry ...1970s US campus sl.
• LEMONY irritated, angry ...1941 Aust. & NZ sl.
• MIFFISH * easily offended or irritated ...1790
• MUGGLED UP confused and irritated ...1984 Amer. dial.
• NARKED peeved, irritated, annoyed ...1888 sl.
• NETTLED irritated, vexed, provoked, annoyed, angry ...a1400-50
• NIGGLED annoyed, irritated, esp. when made so by disappointed or the pettiness of others ...1878 UK sl.
• ON THE RAG irritated, irritable, testy, bad-tempered ...1960s sl.
• PISSED (OFF) angry, irritated; fed up, depressed ...1943 sl., orig. US
• RAGGY annoyed, irritated ...L19 sl.
• RATTY irritated, annoyed, obstreperous ...L19 sl.
• RILEY angry, irritated ...a1824 Amer. dial.
• SALTY ill-tempered, angry, irritated, resentful, annoyed ...1936 Amer. dial.
• TEMPERED angry, irritated, annoyed, upset ...1942 Amer. dial.
• UP IN FEATHERS annoyed, irritated ...1969 Amer. dial.
• UP IN THE AIR annoyed, irritated; anxious, upset ...1906 Amer. dial.
• UP IN THE BOUGHS angry, irritated ...L17 sl.
• WAMBLE-CROPPED unhappy, discomfited, irritated; dissatisfied; offended ...1836 Amer. dial.
• WOMBLE-CROPPED unhappy, discomfited, irritated; dissatisfied; offended ...1798 Amer. dial.
• X annoyed, irritated, angry, cross ...1962 UK sl.
irritated - verbs
• DO ONE'S NUT to have a tantrum; to become extremely angry, irritated or agitated ...1919 colloq.
• CARRY THE CAG to be vexed, sullen; to be easily irritated; to lack a sense of humour, esp. as regards jokes against oneself ...1811 sl.
• FLY SALTY to be annoyed or irritated; to take offense ...1930s sl., orig. US Black usage
• FUME to be angry or irritated ...E16
• GET THE HARDNOSE to become angry or irritated ...1939 Amer. dial.
• HAVE A HARDNOSE to become angry or irritated ...1939 Amer. dial.
• JUMP SALTY to be annoyed or irritated; to take offense ...1930s sl., orig. US Black usage
• KECKLE to get irritated or angry ...1866 Sc.
• NETTLE * to become irritated or annoyed ...1810
• RANKLE * to fret or chafe angrily, to be or become irritated ...1582
• REAR UP to become irritated, mad, or angry ...1842 Amer. dial.
• REAR UP ON ONE'S HIND LEGS to become irritated, mad, or angry ...1842 Amer. dial.
• TAKE PEPPER IN THE NOSE to take offense; to become angry or irritated; to be vexed; to mistrust ...1787
 
IRRITATING - adjectives
• ARSEHOLE irritating, contemptible, despicable ...1956
• ASSHOLE stupid, irritating, contemptible, despicable ...1888 US sl.
• BALL-BREAKING troublesome, difficult, very irritating, physically demanding, exhausting ...1959 US sl.
• BALL-BUSTING troublesome, difficult; irritating; physically demanding, exhausting  ...1944 US sl.
• DAMFOOL damnably foolish; silly; stupid and irritating ...c1895 colloq.
• DAMN-FOOL damnably foolish; silly; stupid and irritating ...19C colloq.
• DANGFOOL stupid and irritating ...L19 sl.
• DARNFOOL wretched, nasty; silly; stupid and irritating ...1780s
• IRKING irritating, troublesome ...1898 Sc.
• IRRITATORY * causing irritation; irritating ...a1656 
• MESSY fidgeting, irritating, finicking ...Bk1905 Eng. dial.
• NETTLING irritating, provoking ...1652
• RASPISH * irritating, irritable ...1854
• TEPTIOUS snappish, captious; irritating; treacherous, changeable, not to be depended upon ...1876 Eng. dial.
• UP ONE'S ASS immediately behind, hence irritating, bothering ...1970s sl.
• UP ONE'S BUTT immediately behind, hence irritating, bothering ...1970s sl.
• UP ONE'S HOLE immediately behind, hence irritating, bothering ...1970s sl.
• WRONG irritating, contrary ...1960s US Black & college sl.
irritating - nouns
• EFFERATION †* irritating action ...1684
• MONKEY TRICKS any action considered irritating or annoying ...c1920 sl.
irritating - person
• ANKLE-BITER a person regarded as relatively unimportant but nevertheless irritating or annoying ...1968 colloq., chiefly US
• ARSEHOLE a stupid, irritating, or despicable person; a person who behaves contemptibly ...1928
• ASSHOLE a stupid, irritating, or contemptible person; a person who behaves despicably ...1962 US sl.
• BIDDY an old woman, generally irritating or interfering; a fussy, mean, or quarrelsome old woman; usually as 'old biddy' ...1833 sl.
• FACE-ACHE an ugly, irritating, or miserable-looking person ...Bk1988 Aust. & Brit. sl.
• GADFLY an irritating or provoking person; a person who persistently criticizes or challenges the status quo or those in authority, in an attempt to stimulate change ...1622
• GALLSTONE an irritating person ...1961 US sl.
• GAWDELPUS a helpless, irritating, or exasperating person ...1912 jocular
• GAWD-HELP-US a helpless, irritating, or exasperating person ...1912 jocular
• HADDIE a sod; an irritating, annoying, or unpleasant person ...1962 UK rhyming sl. (haddock and cod) 
• HADDOCK a term of contempt or abuse; a sod, an annoying, irritating, or unpleasant person ...1831 UK rhyming sl. (haddock and cod)
• HADDOCK AND COD a term of abuse; a sod, an annoying, irritating, or unpleasant person ...1962 UK rhyming sl.
• HAEMORRHOID an annoying or irritating person ...1975 US sl.
• HANG-UP a boring, irritating person ...1968 US sl.
• MENACE a person that is a bore or a general nuisance; someone or something very troublesome or annoying; an unpleasant, irritating person ...1936 sl.
• MOTHBALL * an insignificant or foolish person; an obnoxious or aggravating person; a teenage jerk; an irritating person; an over-diligent student ...1944 US sl.
• MOTO a tedious, irritating, boring person ...1990 US college sl.
• NETTLER one who irritates ...1611
• PAIN an annoying person or irritating person  ...1926
• PAIN IN THE NECK an irritating nuisance ...1941 UK sl.
• PAIN IN THE PUKU an irritating person (puku - Maori for stomach) ...Bk1998 NZ sl. 
• PISS-ANT (depreciative) an insignificant, contemptible, or irritating person ...1935 sl.
• SINEX an annoying or irritating person ...Brit. sl.
• TARYER † a provoker, a vexer; one who irritates ...c1440 
• WICK an irritating or bad-tempered person ...1988 Sc. sl.
irritating - verbs 
• GOOB to act irritatingly ....M19 sl.
• PISS-BALL ABOUT to act in a futile or an irritating manner ...c1920 sl.
• YIP to  talk in a petulant or irritating manner ...1910s US sl.

IRRITATION - adjectives
• VELLICATIVE * causing irritation or twitching ...1822-7
irritation - nouns 
• ASS, THE anger, annoyance, irritation ...1964 Amer. sl.
• BONE an irritation; an annoyance; an aggravation ...1944 US sl.
• BRAVOORA a mad-like degree of irritation or fury in man or beast ...Bk1911 Sc.
• FUNK a state or fit of gloom, bad temper, depression, irritation, etc. ...1834 orig. Sc.
• GROUCHIES a mood of depression, annoyance, or irritation; a sully or gloomy fit ...1965 Amer. dial.
• HAEMORRHOID an irritation; an annoying person ...1975 US sl.
• MAD anger, irritation; a fit of anger ...1867 Amer. dial.
• NARK an annoying or unpleasant thing or situation; a source of irritation; also, a fit of anger or pique ...1918 sl.
• NEEDLE resentment, bitterness, irritation ...L19 sl.
• NEEDLE, THE a fit of irritation or nervousness ...1887
• PAIN an annoying situation; an irritation; anything considered unpleasant, typically a task one does not wish to perform ...1910s sl.
• PAIN IN THE PLASTER a nuisance; an irritation ...1990s sl.
• REEDANESS a state of irritation or ill temper ...1880 Eng. dial.
• RUNNING SORE a persistent problem; a constant nuisance or irritation ...1590
• SADDAM HUSSEIN a pain; an irritation; an annoying person ...1998 UK rhyming sl.
• SCREAMING HEEBIE-JEEBIES, THE intense irritation ...Bk1999 Aust. sl.
• TORMENT an instrument of irritation or annoyance ...1882
irritation - verbs
• FAUNCH to fret, to worry; to show irritation or impatience; to complain, to sulk ...1970 Amer. dial.
irritation -  interjections 
• AG! an exclamation of pleasure, irritation, or exasperation ...1930s S. Afr. sl.
• BLAST MY EYES! an exclamation of irritation, impatience, annoyance, etc. ...M18 sl.
• BLAST YOUR EYES! an exclamation of irritation, impatience, annoyance, etc. ...M18 sl.
• DAD BURN! blast it! an exclamation of surprise, irritation or frustration ...1829 Amer. sl.
• DAG BURN! an exclamation of surprise, irritation or frustration ...1829 Amer. sl.
• DAMN! a profane imprecation; an exclamation of disappointment, irritation, annoyance, frustration, etc. ...1589
• DAMN IT! an exclamation of disappointment, annoyance, irritation, frustration, etc. ...1589
• DAMN MY EYES! an exclamation of irritation, impatience, annoyance, etc. ...M18 sl.
• DAMN YOUR EYES! an exclamation of irritation, impatience, annoyance, etc. ...M18 sl.
• DANG! an exclamation of disappointment, irritation, frustration, etc. ...1821
• DANG IT! damn! an exclamation of disappointment, irritation, frustration, etc. ...L18 euphemism
• DARN! damn!; an exclamation of disappointment, annoyance, irritation, frustration, etc. ...1781
• DEAR! a mild register of anxiety, irritation, regret, etc. ...1694
• DEAR OH DEAR! a mild register of anxiety, irritation, regret, etc. ...1694 UK
• DERN! an exclamation of disappointment, irritation, frustration, etc. ...1780s euphemism
• DERN IT! an exclamation of disappointment, irritation, frustration, etc. ...1780s
• DURN! an exclamation of disappointment, irritation, frustration, etc. ...1780s Amer sl.
• DURN IT! an exclamation of disappointment, irritation, frustration, etc. ...1780s
• FOR CRYING OUT LOUD! for Christ's sake! used to express anger, irritation, surprise, astonishment, etc. ...1924 euphemism
• I'LL BE SWITCHED! exclamation of irritation, surprise, denial ...M19
• OH DEAR! a mild register of anxiety, irritation, regret, etc. ...1694 UK
• SHUCKINS! an expression of annoyance, irritation, contempt, or disbelief ...1893 Amer. dial.
• TO HELL WITH YOU! used as an expression of irritation or anger ...1846 Amer. sl.
• WHAT A POX! exclamation of annoyance, irritation ...L16 sl.
• WITH A POX! exclamation of annoyance, irritation ...L16 sl.

ISLAM - person
• KAFFIR any person who does not accept Islam ...2003 Trinidad and Tobago
• ULEMA a Mohammedan doctor or divine; a scholar of Islamic law ...a1843 
 
ISLAND, ISLE - nouns
• AISLET a little island ...Bk1895 
• AIT a small island, an islet; esp. an island in a river ...a1200
• ALLAN a bit of land nearly surrounded by water; an island ...Bk1898 Eng. dial.
• BAT a river-island ...Bk1898 Sc.
• CALF * a small island lying close to a larger one ...L17
• EALAND an island ...1883 Eng. dial.
• ELLAN a very small island in a river ...Bk1900 Sc.
• EYOT a small island, an islet; esp. an island in a river ...1670
• HAYTE † an islet ...1532
• ILLAUN an islet ...1882 Irish
• INCH a small island; low-lying land near a river or stream ...1859 Sc. & Ireland
• INSH a small island; low-lying land near a river or stream ...1859 Sc. & Ireland
• OE * a small island ...1817
• YAIL an isle ...Bk1905 Eng. dial.
 
ISOLATED - adjectives
• ALONE of a person, place, etc.: isolated, lonely, solitary ...1921 colloq.
• BUSHED isolated, feeling the effects of 'cabin fever' ...1941 Amer. dial.
• ICED isolated, ignored ...1970s US Black sl.
isolated - nouns
• MIDDLE OF NOWHERE an isolated place ...Bk1990 sl.
 
ISOLATION - nouns
• SINGLENESS the fact of standing alone; solitude, solitariness, isolation ...1805
 
ISRAEL - nouns
• T.A. Tel Aviv ...c1939 colloq.
Israel - person
• HEBREW a person belonging to the Semitic tribe or nation descended from Abraham, Isaac, and Jacob; an Israelite, a Jew; historically, the term is applied to the early Israelites; in modern use it avoids the religious and other associations often attaching to Jew ...c1375
• YORDIM Israeli citizens who emigrate to another country, esp. the United States ...1976 

ISSUE - verbs
• MAKE A STINK to make a bit issue about ...Bk1990 Amer. sl.
• RAISE A STINK to make a bit issue about ...Bk1990 Amer. sl.
 
ISSUE (supply, distribute) - verbs
• EDITION †* to make an edition of; to issue, to publish ...1716
 
ISTHMUS - nouns
• BALK † a dividing ridge of land; an isthmus; a bar of sand, etc. ...1538
• BAULK † a dividing ridge of land; an isthmus; a bar of sand, etc. ...1538
• KAME a small peninsula, in the form of a narrow, low isthmus, leading from a cliff to the shore ...1905 Sc.
• LAND-NECK † an isthmus ...1618
• LAND-PASSAGE † an isthmus ...1601
• LAND-STRAIT † an isthmus ...1601
• SCAW an isthmus or promontory ...Bk1904 Sc.
• SKAW an isthmus or promontory ...Bk1904 Sc.
• TARBET a neck of land, an isthmus; hence, a portage between two lochs or navigable channels ...1843 Sc.
 
ITALY - adjectives
• DAGO (derogatory) pert. to a Latin, usually an Italian, a Mexican or a Spaniard; any dark-skinned native ...M19 sl., orig. US
• EYETALIAN (generally offensive) Italian ...1838 US colloq.
• EYETIE, EYTIE, ITIE, ITY (derogatory & offensive) Italian ...1941 sl., orig. military usage
• MACARONI Italian ...M19 sl.
• TALLY Italian ...1985 Sc. sl.
• URBICARIAN † belonging to a city, esp. of Rome ...1654 
​• WOP Italian ...1961 US sl.
Italy - nouns
• DAGO (derogatory) Italian food, esp. pasta ...1942 US sl.
• DAGO CENTER (derogatory) the Italian, Mexican, or Puerto Rican area of a town or city ...1920s US sl.
• DAGOLAND (derogatory) Southern Europe, esp. Italy ...1976 US sl.
• DAGO TOWN (derogatory) the Italian, Mexican, or Puerto Rican area of a town or city ...1920s US sl.
• ITALOMANIA wild enthusiasm for Italy ...1860
• ITIE an Italian; something Italian ...1925 Amer. dial.
• LITTLE ITALY a neighbourhood populated by a large number of Italian immigrants and Italian-Americans ...1970 US sl.
• SPAGHETTI CORNER an Italian community within an urban area ...1950s US sl.
• TALLY Italy ...1942 Amer. sl.
Italy - person
• ABBOT in Italy: a high-ranking magistrate of a city or republic; spec., esp. in the Republic of Genoa: the chief magistrate ...1734 now hist.
• ABRUZZESE a native or inhabitant of the Abruzzo region of central Italy ...1816
• ABRUZZIAN a native or inhabitant of the Abruzzo region of central Italy ...1570
• ACK (derogatory) an Italian ...1941 Amer. dial.
• ACKEY (derogatory) an Italian ...1941 Amer. dial.
• BALONEY BENDER an Italian ...1938 US sl.
• BANANA PEDDLER (derogatory) an Italian immigrant ...1916 Amer. sl.
• BANANA PUSHER (derogatory) an Italian ...1969 Amer. dial.
• BERGAMASK a native or inhabitant of Bergamo, a province in the state of Venice ...1602
• BERSAGLIERE a rifleman or sharpshooter in the Italian army ...1862
• CHESTNUT STABBER a person of Italian heritage ...1968 Amer. dial.
• DAGE (derogatory) a Dago ...c1910 Aust. sl.
• DAGO (derogatory) an Italian or Italian American; orig. applied to Spaniards, then to Spaniards, Portuguese, and Italians, and now to Italians only ...1823 US sl.
• DING (derogatory) an Italian; a Greek ...1940 Aust. sl.
• DINGBAT (derogatory) a nickname for an Italian ...20C sl.
• DINO (mildly derogatory) a nickname for a Mexican or Italian labourer ...20C US sl.
• EYETALIAN (generally offensive) an Italian ...1838 US colloq.
• EYETIE, EYETY, EYTIE, ITIE, ITY (derogatory & offensive) an Italian ...1919 sl., orig. military usage
• GAFONE (derogatory) an Italian; a fool ...1976 sl.
• GANDY DANCER an Italian ...20C US sl.
• GARLIC (derogatory) a French, Portuguese, or Italian person ...1971 US sl.
• GARLIC DESTROYER (derogatory) a French, Spanish, Portuguese, or Italian person ...1915 US sl.
• GARLIC-EATER (derogatory) a French, Spanish, Portuguese, or Italian person ...1865 US sl.
• GARLIC-MOUTH (derogatory) a French, Spanish, Portuguese, or Italian person ...1957 US sl.
• GARLIC MUNCHER a European person; a Greek or Italian ...Bk1988 Aust. sl.
• GARLIC-SNAPPER an Italian ...1942 US sl.
• GENEVOIS † a native of Genoa, Italy ...1521
• GENOAN † a native or inhabitant of Genoa, Italy ...1608
• GENOESE a native of Genoa ...1905
• GENOESIAN † a native of Genoa ...1624
• GENOVESE * a native of Genoa ...1603
• GENOWAY † a native of Genoa; Italy ...c1400
• GHINI, GHINNY an Italian person, usually an immigrant to the US ...1882 US sl.
• GHINZO (derogatory) an Italian person ...1931 US sl.
• GIBRONEY an Italian ...1966 US sl.
• GIN (derogatory) an Italian; a person of Italian descent ...1985  Amer. sl.
• GINEE, GINNEE, GINNEY, GINNIE, GINNY - (derogatory) an Italian; a person of Italian descent ...1882 Amer. sl.
• GINSO, GINZO, GUINZO * (usually offensive) a person of Italian origin; an Italian ...1931 US sl.
• GREASEBALL (offensive) a person of Italian descent ...US
• GUIN (derogatory) a nickname for an Italian ...20C US sl.
• GUINEA (derogatory) an immigrant of Italian or Spanish origin ...1890 US sl.
• HIGHTALIAN an Italian ...1899 sl.
• HIKE (usually derogatory) an Italian immigrant ...1896 Amer. dial.
• HIKEY (usually derogatory) an Italian immigrant ...1967 Amer. dial.
• IBM a member of an organized crime family; an Italian businessman ...1997 US sl.
• ICE-CREAMER an Italian ...1930s sl.
• IKE a person of Italian background ...1941 Amer. sl.
• IKEY a person of Italian background ...1941 Amer. sl.
• ITE (derogatory) an Italian ...E20 Brit. & US sl.
• ITEY (derogatory) an Italian ...E20 Brit. & US sl.
• ITIE an Italian; something Italian ...1925 Amer. dial.
• MACARONI an Italian: used contemptuously ...1845 sl.
• MACARONI BENDER an Italian ...M19 sl.
• MACARONI-SMACKER (derogatory) an Italian ...1969 Amer. dial.
• MACARONI-SNAPPER an Italian ...20C Amer. dial.
• MADONNA † an Italian lady ...1602
• MODENESE an inhabitant or native of Modena in northern Italy ...1711
• MONARCHO * a crack-brained Englishman affecting the airs of an Italian ...Bk1888
• MOUNTAIN GUINEA a northern Italian; used by southern Italians ...1960s US Italians' usage
• MOUNTAIN WOP (derogatory) an Italian ...1964 US sl.
• ORGAN GRINDER (derogatory) an Italian, specifically, an immigrant ...1910s sl.
• PADANIAN a native or inhabitant of Padania in northern Italy; a supporter of independence for this region ...1996
• PADOVAN a native or inhabitant of the city of Padua, Italy or of the surrounding area ...1953
• PADRONE 1. the male proprietor of an Italian restaurant, inn, boarding house, etc. ...1678
2. the proprietor of an inn in Italy ...1678
3. an Italian labour contractor - an employer of street musicians, begging children, etc . ...c1751
• PADUAN a native or inhabitant of the city of Padua, Italy, or of the surrounding region ...a1592
• PAESANO in early use: a person of Italian descent or birth; esp. a rustic person, a villager; in later use: an Italian-American man; a mafioso ...a1930 chiefly US
• PAISAN in Italian-speaking communities: a person of Italian birth or descent, an Italian-American; a fellow-countryman; a 'buddy' ...1940 US colloq.
• PAISANO in early use: a person of Italian descent or birth; esp. a rustic person, a villager; in later use: an Italian-American man; a mafioso ...a1930 chiefly US
• PASTA-BREATH (derogatory) an Italian or Italian-American ...1980s US sl.
• QUIRITIAN * a Roman citizen ...1880
• RADDIE an Italian or Anglo-Italian living in London, orig. specifically in Clerkenwell ...1938 sl.
• ROMAN CANDLE an Italian ...1970s sl.
• ROME-RUNNER a person, esp. a cleric, constantly running off to Rome in search of spiritual and monetary profit ...M14 colloq. 
• ROMULIST †* a descendant of Romulus; a Roman, a native of ancient Rome ...1594 
• SALERNITAN a native or inhabitant of Salerno, an Italian maritime town near Naples; a physician of the Salernitan medical school which formerly flourished there ...1608
• SNOW a derogatory description of an Italian or another Latin person ...1910s Aust. sl.
• SPAG (derogatory) an Italian immigrant ...1967 Aust. sl.
• SPAGGIE an Italian ...1967 Aust. sl.
• SPAGHETTI (derogatory and offensive) an Italian...1915 sl.
• SPAGHETTI BENDER (derogatory) an Italian ...1967 US sl.
• SPAGHETTI-EATER (derogatory) an Italian ...1914 Aust. sl.
• SPAGHETTI-GUZZLER (derogatory) an Italian ...1933 US sl.
• SPAGHETTI HEAD (derogatory) an Italian ...1974 US sl.
• SPAGHETTI MUNCHER (derogatory) an Italian person ...Bk1988 Aust. sl.
• SPAGHETTI-TWISTER (derogatory) an Italian ...1930 US sl.
• SPIG an Italian ...1940s US sl.
• SPIGGOTY an Italian ...1940s US sl.
• TALLIE, TALLY an Italian ...c1847 Sc.
• TONY a nickname for an Italian or Mexican man ...1907 Amer. dial.
• UMBRIAN an inhabitant or native of Umbria, a province of central Italy; a member of the Italic race anciently inhabiting this district ...1601
• VENETIAN a native or inhabitant of medieval or modern Venice; more rarely, one of the ancient Veneti inhabiting the district of Venetia ...1432
• WALLIO (often derogatory) an Italian male; often used as a form of address ...1941 Amer. dial.
• WALLIYO (derogatory) an Italian ...1941 Amer. dial.
• WALLY-O (often derogatory) an Italian male; often used as a form of address ...1978 Amer. dial.
• WALYO (often derogatory) an Italian male; often used as a form of address ...1941 Amer. dial.
• WOP (derogatory) an Italian or a person of Italian extraction ...L19 Amer. sl.
• ZIP an Italian ...2002 US sl.
• ZOOL (derogatory) an Italian, esp. an Old World Italian ...20C US criminals' sl.
Italy - phrases 
• ALWAYS LATE IN TAKE OFF, ALWAYS LATE IN ARRIVAL Italian Airlines, Alitalia ...2002 sl.
• CAME OVER WITH AN ICE-CREAM BARROW said of Italians ...20C Brit. sl.
 
ITCH - nouns
• EKE the itch ...Bk1905 Eng. dial.
• FAIRFLE † a skin eruption; a state of itch ...1825 Sc.
• LITTLE TITCH an itch ...20C rhyming sl.
• SCART a scratch; a scratching; the itch ...1737 Sc. & Eng. dial.
• SCOTCH FIDDLE the itch ...1836 Sc. & Eng. dial.
• SCRAT the itch ...1854 Eng. dial.
• SCRATCH the itch ...Bk1904 Eng. dial.
• YECK the itch ...Bk1905 Eng. dial.
• YEEKE the itch ...Bk1905 Eng. dial.
• YEKTH † itching, itch ...c897
• YEUK the itch; itchiness ...1773 Sc.
• YEWK the itch; itchiness ...1773 Sc. & Eng. dial.
• YEWKIENESS itchiness; itching ...1891 Sc.
• YOOK the itch; itchiness ...1773 Sc.
itch - verbs
• BE IN A FAIRFLE to have an eruption of the skin, to itch ...Bk1900 Sc.
• EKE to itch ...1703 Eng. dial.
• SCRAT to itch ...1897 Eng. dial.
• YECK to itch ...1703 Eng. dial.
• YEEKE to itch ...1703 Eng. dial.
• YEUK to itch ...1677 Sc.
• YEWK to itch ...1677 Sc. & Eng. dial.
• YOUK to itch ...1677 Sc.
• YUCK to itch ...1677 Sc. & Eng. dial.

ITCHING - adjectives
• GALE covered in scabs, itching, suffering from scabies, eczema, or some other skin disease ...20C W. Indies sl.
• REEFY scabby, itching ...1684 Sc. & Eng. dial.
• TITILLATING itching, tingling; craving, hankering ...1858
• YEWKY itching ...1824 Sc. & Eng. dial.
itching - nouns
• CRAB ON THE ROCKS an itching (possibly from lice) on the scrotum ...19C Brit.
• INSLEEP an itching ...1892 Ireland
• SEVEN-YEAR ITCH any skin condition that causes chronic itching; an itch supposed to last for seven years ...1854 Amer. dial.
• TETTER any kind of skin disease or itching caused by eczema, ringworm, poison ivy, etc. ...1737 Amer. dial.
• TITILLATION a sensation of being tickled; a tingling, an itching ...1621
 
ITCHY - adjectives
• FAUCHIE itchy ...1950 Sc.
• HOUSEY HOUSEY itchy ...1992 UK rhyming sl. for 'lousy'
• TICKY irritable; itchy; affected by ticks or lice ...1857 Eng. dial.
 
ITINERANT - adjectives
• ITINERATE † itinerant, travelling ...a1628
itinerant - person 
• BINDLE MAN a tramp; an itinerant worker ...1900 Amer. dial.
• BINDLE STIFF a tramp; an itinerant worker ...1900 Amer. dial.
• BLANKET MAN a tramp; an itinerant worker ...1872 Amer. dial.
• BLANKET STIFF a tramp; an itinerant worker ...1872 Amer. dial.
• BOOMER an itinerant worker ...1925 Amer. dial.
• BUNDLE BUM an iterant worker ...1927 Amer. dial.
• BUNDLE STIFF an iterant worker ...1939 Amer. dial.
• CAMPER a gypsy, an itinerant tinker, etc. ...Bk1898 Eng. dial.
• FAKER an itinerant artisan, mechanic, or tradesman; hence, a peddler, street vendor, pitchman, or travelling showman ...1859 sl.
• FAKIR an itinerant artisan, mechanic, or tradesman; hence, a peddler, street vendor, pitchman, or travelling showman ...1893 sl.
• FARAND-MAN † a traveller, a stranger; an itinerant merchant ....a1400 Sc. & Eng. dial.
• INSPECTOR an itinerant worker or hobo ...1942 Amer. dial.
• JIPPO an itinerant worker or piece-worker; contract work, a sub-contractor...1920s US sl.
• MOVABLE † a changeable person; a person given to moving from place to place, an itinerant ...1621-2
• MUSHER an itinerant fakir ...1900s US sl.
• STROLLER a vagabond, itinerant, man of no settled abode; a gypsy, beggar, peddler, hawker, etc. ...c1696 sl.
• URNABOUT an itinerant, a vagabond, a tramp ...1884 Eng. dial. 

IVORY - adjectives
• EBURNEAN made of or resembling ivory ...1656
• EBURNEOID showing a resemblance to ivory ...1847-9
• EBURNIAN made of or resembling ivory ...1866
• EBURNINE * ivory-like, ivory-coloured ...1822
• IVORIED † made of ivory ...a1300
• IVORINE † consisting or made of ivory ...a1382
ivory - nouns 
• ELEPHANT † ivory; a horn or trumpet of ivory ...c1300
• ELEPHANT'S TEETH ivory ...1398
• TOREUMATOGRAPHY * description of the toreutic art (the art of working in metal or ivory), or of works done in it ...1727
• TOREUTICS the art, esp. the ancient art, of working in metal or ivory, including embossing, work in relief, etc. ...1847
ivory - person
• IVORIST a professional worker or carver in ivory ...1888
• TOREUTES a worker in toreutics; an artist in metal or ivory ...1840
 
IVORY COAST - adjectives
• IVORIAN pert. to the Ivory Coast ...1966
Ivory Coast - person
• IVORIAN a native or inhabitant of the Ivory Coast ...1973

IVY - nouns
• HAYMAIDS ground-ivy ...1640
• JACK-OVER-THE-GROUND ground ivy ...1892 Amer. dial.
• CAT PAW PLANT ground ivy ...1977 Amer. dial.
• CAT'S FOOT ground ivy ...1876 Amer. dial.
• CAT'S-PAW ground ivy ...1876 Amer. dial.
• CATTAIL ground ivy ...1959 Amer. dial.
• IVORY ivy ...1770 Amer. dial.
• LIZZIE-RUN-IN-THE HEDGE ground ivy ...1940 Amer. dial.
• THRUMS twisted ivy stems ...1863 Eng. dial.
• TOD a bushy mass of ivy ...1553
• TRAILING CHARLEY ground ivy ...1940 Amer. dial.