I
INSINCERE - INTERFERING

INSINCERE - adjectives
• DOUBLE-BOTTOMED insincere; implying one thing and meaning another ...World War II Amer. sl.
• FAIR-WEATHER insincere and temporary 
• GREASY insincere in manner; ingratiating ...1848 sl.
• SLIMY insincere in manner; ingratiating ...1602 sl.
• SMALMY insincere in manner; ingratiating ...1924 sl.
• SMARMY in the manner of a sycophant; insincere in manner; ingratiating ...1924 sl.
• SOAPY insincere in manner; ingratiating, sycophantic, flattering or persuasive ...1854 sl.
 
INSINCERE, INSINCERITY - nouns
• ACKAMARACKA insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; pretentious nonsense, bluff  ...1933 sl., orig. US
• ACKAMARACKUS insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; a fraudulent tale; a tall story; nonsense ...1933 sl., orig. US
• ACT an instance of insincere behaviour; a display of pretended feeling; an affected pretense ...1934
• APPLESAUCE insincere or exaggerated talk intended to flatter or deceive; humbug or flattery, suave talk ...1919 US sl.
• BLA insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1918 US sl.
• BLAH pretentious talk or writing; insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1918 US sl.
• BLAH-BLAH pretentious talk or writing; insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1918 US sl.
• BLARNEY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1796
• BOOSHWA insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1906 Amer. sl.
• BOOSHWAH insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1906 Amer. sl.
• BORAC insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1845 Aust. & NZ sl.
• BORACK insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1845 Aust. & NZ sl.
• BORAK insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1845 Aust. & NZ sl.
• BORAX insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1845 Aust. & NZ sl.
• BULL insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1902 sl., orig. US
• BULLSHIT insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense, lies, deception ...1914 sl., orig. US
• BULL'S WOOL insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1933 Aust. & NZ sl.
• BUSHWA insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1906 Amer. sl.
• BUSHWAH insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1906 Amer. sl.
• BUSHWHA insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1906 Amer. sl.
• B.S. insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1900 sl., chiefly Amer.
• CROCK OF SHIT insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense  ...1945 US sl.
• DAUB insincere compliments; flattery; hypocritical affection ...1877 Eng. dial.
• DRIP insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1919 sl. orig. US
• FLANNEL insincere or exaggerated talk intended to flatter or deceive; indirect or evasive talk; deceiving flattery, humbug, rubbish, nonsense...1927 Brit. sl.
• GAMMON insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1805 sl.
• GREASE insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1877 sl.
• GUIVER insincere talk; pretense ...1864 Aust. sl.
• GUYVER insincere talk; pretense ...1864 Aust. sl.
• GYVO humbug; flattery; insincerity, pretense; deceptive talk or behaviour ...c1935 Aust. sl.
• HEART AND A HEART, A duplicity, insincerity ...c825
• JAZZ insincere or lying talk, nonsense ...sl., esp. US
• JIVE insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1928 sl., orig. US
• KIDSTAKES insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1912 Aust. & NZ sl.
• KIDSTEAKS insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1912 Aust. & NZ sl.
• LIP-LOYALTY insincerity ...L19 Aust. sl.
• MADAM insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1927 sl.
• MALAKY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1929 sl., orig. US
• MALARKEY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1929 sl., orig. US
• MALARKY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1929 sl., orig. US
• MOODY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1917 sl.
• MULLARKEY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1929 sl., orig. US
• OIL insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1917 sl.
• OLD ACKAMARACKUS, THE insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1933 sl., orig. US
• ONPUT a pretense, insincere behaviour ...1958 Sc.
• PALAVER wearisome, idle or insincere talk ...M18
• PERLAVER wearisome, idle or insincere talk ...M18
• SAWDER insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1854
• SAWDUST flattery, insincerity ...L19 sl.
• SCAUM insincere talk; banter, chaff ...Bk1904 Eng. dial.
• SCHMEER insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1961 US sl.
• SCHMERE insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1961 US sl.
• SHMEER insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1961 US sl.
• SNOW JOB insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1943 sl., orig. US
• SOAP insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1854 sl.
• SOFT SAWDER insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1836 sl.
• SOFT SOAP flattering, persuasive, or cajoling talk; insincere or exaggerated talk intended to flatter or deceive; humbug or flattery; nonsense ...1830 colloq., orig. US
• SPINACH insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1929 US sl.
• SWEET TALK insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1945 sl., orig. US
• TAFFY insincere or exaggerated talk intended to flatter or deceive; humbug or flattery ...1878 Amer. sl.
 
INSINCERE - nouns, person
• BLUFF ARTIST an insincere person; a confidence trickster ...1930s sl.
• BUTTHEAD a blockhead; an insincere person ...1973 Amer. sl.
• EMPTY SUIT a useless or insincere person ...1980s US sl.
• FAKE an impostor; broadly, an affected or insincere person ...1886 Amer sl.
• FALSE-FACE a hypocrite, a deceitful or insincere person ...Bk1900 Sc.
• FART one who is insincere ...1975 Amer. dial.
 
INSINCERE - verbs
• BLARNEY to flatter; to deceive with insincere or flattering talk ...1803 sl.
• BUTTER UP to flatter; to deceive with insincere or flattering talk ...1819 sl.
• FLANNEL to talk evasively to; to flatter; to deceive with insincere or flattering talk ...1941 Brit. sl.
• FUNK ON A DUNK to be insincere; to joke ...1990s US Black sl.
• GAMMON to flatter; to deceive with insincere or flattering talk ...1812 Brit. sl.
• HOKE UP to render something insincere or artificial ...1935 sl., orig. US
• MAG to cheat by flattery or insincere talk; to swindle ...1859 Amer. criminals' sl.
• PUT ON AN ACT to show off, to talk for display, to behave insincerely ...1934 sl.
• SAWDER to flatter; to deceive with insincere or flattering talk ...1834
• SCHMEER to flatter; to deceive with insincere or flattering talk ...1930 Amer. sl.
• SCHMERE to flatter; to deceive with insincere or flattering talk ...1930 Amer. sl.
• SHMEER to flatter; to deceive with insincere or flattering talk ...1930 Amer. sl.
• SNOW to flatter; to deceive or overwhelm with insincere or flattering talk ...1945 sl., orig. & chiefly US
• SNOW-JOB to flatter; to deceive with insincere or flattering talk or lies and distortion...1945 sl., orig. & chiefly US
• SOFT-SAWDER to flatter; to deceive with insincere or flattering talk ...1843 sl.
• SOFT-SOAP to flatter; to deceive with insincere or flattering talk ...1840 sl.
• SWEETMOUTH to flatter; to deceive with insincere or flattering talk ...1948 sl., chiefly US
• SWEET-TALK to flatter; to deceive with insincere or flattering talk ...1936 sl., orig. & chiefly US
• TALK TRASH to talk insincerely, to boast, to lie, esp. when pursuing sex ...1950s US Black sl.
 
INSINCERITY - see INSINCERE - nouns
 
INSINUATE - verbs
• SIGNIFY to make insulting remarks or insinuations ...1932 US sl., chiefly Black usage
• SUBINDUCE † to insinuate, to suggest indirectly ...1640 rare or obs.
• THROW IT OUT to insinuate ...1899 Eng. dial.
 
INSINUATION - nouns
• SIDEWIPE a sly insinuation ...1757
 
INSIPID - adjectives
• FATUOUS † tasteless, insipid, vapid ...1608
• IMPOIGNANT †* not sharp or piquant, insipid ...1733
• MAWKISH insipid; unsavoury ...Bk1905 Eng. dial.
• MILK AND WATER weak, wishy-washy, insipid ...1783 Amer. dial.
• PAILIE insipid, dull, colourless ...1825 Sc.
• PAIPSEY insipid, weak ...20C W. Indies sl.
• SAUCELESS bland, insipid ...1899
• TAMMACHLESS tasteless, insipid ...1825 Sc.
• TOOTHLESS † tasteless, insipid; not pleasant to the taste ...1679
• VAPPOUS † flat, insipid ...1673
• WADDY tough and insipid, as hard meat without flavour ...Bk1905 Eng. dial.
• WALLOW † tasteless, insipid; sickly ...c897 obs. exc. Eng. dial.
• WALLOWISH † insipid, tasteless, flat; also, ill-tasting, nauseous, esp. through being over-sweet ...1548 obs. exc. Eng. dial.
• WALSH insipid, tasteless, ill-tasting; having a sickly taste, nauseous ...1513 Sc. & N. Eng. dial.
• WELSH insipid, tasteless; of cider, etc.: watery, poor ...1777 Sc. & Eng. dial.
• WELSH'D suffering from insipidity of food ...Bk1905 Eng. dial.
 
INSIPID - verbs
• PALL † to render flat, stale, or insipid ...1625
 
INSIPIDITY - nouns
• WALSHNESS insipidity; want of flavour ...1808 Sc. & N. Eng. dial.
 
INSIPIDLY - adverbs
• JEJUNELY meagrely, insipidly ...1615
 
INSIST - nouns, person
• THREAPER one who asserts or insists pertinaciously and, generally, falsely ...1871 Sc.
 
INSIST - verbs
• APPLICATE to insist; to pester one with unwelcome requests ...1929 Amer. dial.
• BEAT † to insist with iteration on or upon ...1579
• LAY IT TO ONE to strike hard; to insist ...Bk1913-17 Amer. dial.
• OPINIATRE † to persist obstinately in an opinion, or in a course of action; to insist hard; to become obstinate or stubborn ...1678
• PUT ONE'S FOOT DOWN to insist; to be adamant ...M19 sl.
• SIT FAST UPON † to insist upon ...c1205
• THREAP to assert positively, esp. to persist in or maintain a false accusation or assertion; to insist on; to swear, repeat, or reiterate obstinately ...1671 Sc. & Eng. dial.
• THREAP DOWN to insist or assert with pertinacity, esp. to persist in a false assertion; to protest or argue strongly ...1877 Eng. dial.
• THREAP DOWN THE THROAT to insist or assert with pertinacity, esp. to persist in a false assertion; to protest or argue strongly ...1864 Sc.
• THREAPEN † to assert positively; to insist on a thing obstinately ...1671 Eng. dial.
• THREAP OUT to insist or assert with pertinacity, esp. to persist in a false assertion; to protest or argue strongly ...1790 Eng. dial.
• YAAG to be importunate, to insist irritatingly with questions or requests, to nag or harp on ...1825 Sc.
 
INSISTENT - adjectives
• HELL FOR concerned with, insistent on ...1851 Amer. dial.
• HELL ON concerned with, insistent on ...1850 Amer. dial.
 
INSISTING - adjectives
• THREAPING insisting or asserting pertinaciously ...Bk1905 Eng. dial.
 
INSOLENCE, INSOLENT - nouns
• BACKCHAT impudent replies; backtalk; answering back in an insolent manner ...1901 UK sl., orig. military
• BACK-JAW an insolent or hostile answer; a retort; mutual abuse; ...M19 Sc. & Amer. dial.
• BACKWASH insolent or nonsensical talk; backtalk ...1906 Amer. sl.
• BUCK boastful talk or insolence ...1895 sl.
• BUGABOO loud talk, insolence ...1914
• BUKH boastful talk or insolence ...1895 sl.
• GANSEL a severe rebuke; a scolding; insolent language ...1710 Sc.
• GUFF insolent talk ...1815 colloq.
• GUM insolence ...old sl.
• ILL-GAB insolent, impudent language; the power to use such language ...Bk1905 Sc.
• ILL-MOUTH insolent, abusive language ...Bk1905 Sc.
• MOUTH insolent talk ...1935 sl., orig. US
• NASH pert, insolent talk ...Bk1905 Sc.
• NASH-GAB impertinent chatter, insolent talk ...1816 Sc. & N. Eng. dial.
• NASH-GOB impertinent chatter; insolent talk ...1816 Sc. & N. Eng. dial.
• OLD BUCK boastful talk or insolence ...1895 sl.
• SAUCE MALAPERT † impertinence, insolence ...1529
• WANTONNESS * arrogance, insolence of triumph or prosperity ...c1480
 
INSOLENT - adjectives
• BARDIE forward, pert, shameless, insolent ...1822 Sc.
• BARDISH † rude, insolent ...a1662 Sc.
• BARDY forward, pert, shameless, audacious; insolent; defiant ...1822 Sc.
• BRICKETY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1868 Amer. dial.
• BRIGATY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1880 Amer. dial.
• BRIGETTY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1895 Amer. dial.
• BRIGGITY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1911 Amer. dial.
• BRIGGOTY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1952 Amer. dial.
• BRIGITY arrogant, insolent, uppity; restless, aggressive; headstrong, stubborn, forward, restless; overbearing ...1898 Amer. dial.
• EFFRONTED † shameless, barefaced, unblushingly insolent ...1598
• FACY † insolent, impudent ...1605 obs. exc. Eng. dial.
• HUBRISTIC * insolent, contemptuous ...1831
• ILL-GABBED foul-mouthed; having a habit of using insolent, abusive language ...1895 Sc.
• ILL-HUNG of a tongue: impudent, insolent ...1882 Sc.
• JABBY saucy, insolent ...1894 Eng. dial.
• KECK pert, insolent, lively ...1856 Eng. dial.
• KEEN † bold, proud, forward, insolent, heinous ...1297
• MANDY abusive, insolent, saucy; surly ...c1730 Eng. dial.
• OPPROBRIOUS † of actions, feelings, etc.: offering or disposed to offer indignity; insulting, insolent ...1630
• PAUGHTY pert, impertinent, saucy, insolent ...1637-50 Sc. & N. Eng. dial.
• PROCACIOUS * forward, insolent, impudent, saucy, pert, petulant ...1660
• SNOUTY overbearing, insolent ...M19 sl.
• SURCUIDANT †* arrogant, insolent, presumptuous ...a1529
• WANTON † of persons: insolent in triumph or prosperity; reckless of justice and humanity; merciless ...1513
• WANTON MAD † mad with the insolence of prosperity ...a1700
• WANTON OF WORD † violent or insolent in speech ...c1475
 
INSOLENT - nouns, person
• IMPERTINENCE an impertinent or insolent person ...1754
• IMPERTINENT a meddlesome, presumptuous, or insolent person; one who does or says that which he has no business to do or say, and which is considered a piece of presumption or insolence ...1635
• JACK-GENTLEMAN † a man of low birth or manners making pretensions to be a gentleman; an insolent fellow, an upstart ...1667
• JACK-GENTLEWOMAN †* a  woman of low birth or manners making pretensions to be a gentlewoman; an insolent woman, an upstart ...1787
• SMART MOUTH an insolent talker; also, one who is good at repartee ...1968 US sl.
 
INSOLENT - verbs
• BACKCHAT to answer back in an insolent manner ...1919 Aust. sl.
• BACK-JAW to answer in an insolent or hostile manner; to retort, altercate, abuse ...M19 Sc. & Amer. dial.
• BACK-LIP to speak insolently to; to backtalk ...1955 Amer. sl.
• BRASS IT to behave with effrontery ...1859 colloq.
• COP AN ATTITUDE to become arrogant or insolent; to become angry ...1962 Amer. sl.
• GANGE. to talk in a pert, silly manner; to talk insolently ...1880 Sc.
• GAUNGE † to talk in a pert, silly manner; to talk insolently ...1880 Sc.
• GIVE CHEEK to speak insolently ...1840 sl.
• ILL-GAB to use abusive, insolent language ...Bk1905 Sc.
• ILL-JAW to use abusive, insolent language ...Bk1905 Sc.
• ILL-MOUTH to use abusive, insolent language ...Bk1905 Sc.
• ILL-WEEN to use insolent, abusive language ...Bk1905 Sc.
• KECKLE to retort impertinently; to speak insolently ...1856 Eng. dial.
• SMART-MOUTH to talk insolently to ...1976 US sl.
 
INSOLENTLY - adverbs
• SAUCE MALAPERTLY † in a manner insolently abusive ...1556
 
INSOLVENT - adjectives
• UNFINANCIAL insolvent, out of money, without money ...1919 Amer. dial.
 
INSOLVENT - verbs
• JACK UP to become bankrupt or insolvent ...1870 Eng. dial.
 
INSOMNIA - nouns
• BIG EYE insomnia ...1967 Amer. dial.
• WIDE EYE insomnia ...1990 Amer. dial.
 
INSOMNIA - nouns, person
• INSOMNOLENT * one who is unable to sleep; a person affected with insomnia ...1892
 
INSPECT - verbs
• VISITATE † to visit for the purpose of inspecting or examining ...1731 Sc.
• VIZZY to look at closely, to view closely; to inspect, to examine, to scrutinize ...1724 Sc.
• WALK to patrol, to inspect something on foot ...1919 Amer. dial.
 
INSPECTION - adverbs
• NEARLY * with close inspection or scrutiny; carefully ...1540
 
INSPECTION - nouns
• OMNIVIDENCY † a seeing of all things; universal inspection ...a1661
• ONCE-OVER a quick or superficial examination, inspection, treatment, etc., esp. of a person viewed as a sexual object ...sl.
• SCANCE a glance; a quick look; a cursory inspection or calculation; a hasty survey in the mind ...1871 Sc.
 
INSPECTOR - nouns, person
• SIGHTER † an inspector ...1708 Sc.
 
INSPIRATION - nouns
• ONESPRUTE †* inspiration ...a1300 obs
• TIFT an inspiration, afflatus ...1835 Sc.
 
INSPIRATION - nouns, person
• AEOLIST * a pretender to inspiration or spiritual regeneration ...1704
 
INSPIRATION - verbs
• GET A BUG IN ONE'S EAR to get a novel suggestion or an inspiration to act ...1949 Amer. dial.
• VIBE OFF to take inspiration from someone or something ...1999 UK sl.
 
INSPIRE - verbs
• ADBLAST †* to inflate, to inspire ...1548
• QUICK * to give or restore vigour to; to stir up, to inspire ...a1300
• RAISE † to encourage or inspire a person with courage, confidence, hope, etc. ...1533
• TIND † to enflame, to excite, to arouse, to inspire ...c1175 obs. exc. Eng. dial.
 
INSPIRED - adjectives
• TIFTIE inspired, uplifted ...1869 Sc.
 
INSPIRING - adjectives
• HEARTSOME encouraging, inspiring, cheering the heart ...1596 chiefly Sc.
 
INSPIRIT - verbs
• MAGNANIMATE †* to imbue with steadfast courage; to inspire with greatness of mind; to render high-souled; to cheer, to inspirit ...1640
 
INSTANCE - nouns
• INSTANT an instance ...1966 Amer. dial.
 
INSTANT - nouns
• BREATHIN' an instant of time ...Bk1911 Sc.
• CITY MINUTE an instant ...1920s US sl.
• GLIFF † a flash, a gleam; a short space of time, an instant, a moment ...1816 obs. exc. Sc. & N. Eng. dial.
• HANDCLAP a clap of the hands; the brief space of time this takes; an instant, a moment ...1822
• HANDLANG-WHILE † a moment, an instant, a span of time ...c1460
• HANDWHILE † a moment, an instant; a little while; a short span of time ...c1000 obs. exc. Sc. & Eng. dial.
• MO a moment, an instant ...sl.
• NEW YORK MINUTE a very short period of time; an instant ...1920s US sl.
• NEW YORK SECOND an instant ...1920s US sl.
• QUICK an instant, a moment ...1986 Amer. dial.
• TICK a moment, a second, an instant ...1879 colloq.
• TWO JERKS OF A LAMB'S TAIL a short period of time; an instant; a jiffy ...1892 Amer. dial.
 
INSTANTANEOUS - adjectives
• MOMENTANEOUS † occurring in a moment, instantaneous ...1657
 
INSTANTLY - adverbs
• BEFORE ONE CAN SAY JACK ROBINSON instantly, in the shortest possible time ...1785 sl.
• DIRECTLY MINUTE instantly, immediately, at once ...1892 Eng. dial.
• DRACLY MINUTE instantly, immediately, at once ...1892 Eng. dial.
• DRECKLY MINUTE directly; instantly, immediately, at once ...1892 Eng. dial.
• INSTANTER instantly, immediately, at once, without delay ...1688, orig. law term
• IN THE TURNING OF A HAND in a moment, instantly ...a1632
• IN THE TURN OF A HAND in a moment, instantly ...a1300
• IN THE TWINKLE OF A BEDPOST in an instant ...1888 Ireland
• IN THE TWINKLING OF A CAT'S TAIL in an instant ...B1900 Sc.
• OFF-HAND without delay, instantly, forthwith; lately ...1794 Sc. & Eng. dial.
• OFF THE HOOKS at once, instantly ...M19 sl.
• QUICK AS TICK-TACK instantly ...1902 Sc.
• RECKLEYS directly, instantly ...Bk1904 Eng. dial.
• TO RIGHTS immediately, instantly, at once ...1795 Amer. dial.
 
INSTEAD - adverbs
• ASTEAD instead ...1856 Eng. dial.
• ATSTEAD instead ...1889 Eng. dial.
• INTURN instead ...1876 Eng. dial.
 
INSTIGATE - nouns, person
• TOLLER † one who entices or instigates ...c1440
 
INSTIGATE - verbs
• EGGLE to incite, to instigate, to egg on, to stir up, to quarrel ...1880 Sc.
• HANKLE to entangle in some pursuit or proceeding; to associate with, be connected with; to instigate, entice, decoy ...1842 Eng. dial.
• TOLL † to attract, to entice, to allure, to decoy; to incite, to instigate ...c1220
 
INSTIGATION - nouns
• EGGING an urging forward, incitement, instigation ...c1200
• EGGMENT † incitement, instigation ...c1340
• ONSETTING incitement, instigation ...1619
• TOLLING † the act of enticing, allurement; incitement, instigation ...a1225 obs. exc. Eng. dial.
 
INSTIGATOR - nouns, person
• EGGER † one who incites or urges on; an instigator ...1598
• INSTIGATRIX †* a female instigator ...1611
 
INSTINCT - adjectives
• GUT based on one's instincts, feelings, or emotions; immediately or deeply felt; intuitive ...1951 Amer. colloq.
 
INSTINCT - nouns
• NATURALNESS † natural instinct, affection, or sympathy ...1553
 
INSTINCT - verbs
• FEEL IN ONE'S BONES to have a sense of certainty based on instinct rather than evidence ...1857 Amer. dial.
 
INSTINCTIVE - phrases
• FEEL IN ONE'S BONES instinctively, in one's inner most being
• I'VE A FEELING IN ME WATER I have a premonition, a hunch, an instinctive feeling ...19C sl.
• KNOW IN ONE'S BONES instinctively, in one's inner most being
 
INSTINCTIVELY - adverbs
• AT GUT LEVEL instinctively ...L19 sl.
• BY GUESS AND BY GOD by approximation and instinct; not by precise or infallible means ...1940s Amer. sl.
• BY THE SEAT OF ONE'S PANTS by instincts and feelings, without the benefit of formal training or procedures ...1930s Amer. aviation usage
 
INSTITUTE - verbs
• ONSTELL †* to institute, to establish, to impose ...971
 
INSTITUTION - nouns
• SQUARESVILLE a conventional place or institution ...1956 sl., orig. US
• SQUAREVILLE a conventional place or institution ...1956 sl., orig. US
• WAREHOUSE a large and impersonal institution offering shelter to the mentally ill, the old, or the poor ...1960s sl.
 
INSTITUTION - verbs
• WAREHOUSE to place an individual, usually a mental patient, in a large an impersonal institution, i.e. to 'put them away ...1970s US sl.
 
INSTRUCT - verbs
• BETEACH † to teach, to instruct ...a1300
• CATECHIZE † to instruct orally in any subject ...1621
• EDIFY to inform, to instruct; to improve in a moral sense ...1534
• ERUDIATE † to instruct, to educate, to teach ...B1895
• FILL IN to inform or instruct someone ...E1940s colloq.
• KEN † to give instruction or directions ...c1330
• LERE † to teach; to give instruction to a person ...c900
• LESSON to give a lesson or lessons to, to instruct, to teach; to admonish, to rebuke, to reprove ...1555
• SKILL * to teach, to instruct ...a1813
• TARGE to enjoin, to give strict instructions to ...1913 Sc.
• TEACH ONE'S GRANDMA TO SUCK EGGS to instruct an expert; to talk old to one's elders ...Bk1904 sl.
• TEACH YOUR GRANDMOTHER TO SUCK EGGS said to those who presume to offer advice to others who are more experienced; to instruct an expert ...1707
• TEACH ONE'S GRANNIE TO GROPE HER DUCKS to instruct an expert ...Bk1904 sl.
• TEACH ONE'S GRANNIE TO SPIN to instruct an expert ...Bk1904 sl.
• TEACH ONE'S GRANNIE TO SUP SOUR MILK to instruct an expert ...Bk1904 sl.
 
INSTRUCTED - adjectives
• LAIRED learned, instructed, informed ...Bk1902 N. Eng. dial.
• LARED learned, instructed, informed ...Bk1902 N. Eng. dial.
 
INSTRUCTION - nouns
• ADVERTISEMENT † the act of calling the attention of others; admonition, warning, instruction ...1475
• EDIFICATION mental or moral improvement, intellectual profit; instruction ...1660
• INCENSING instruction, explanation ...Bk1902 Eng. dial.
• KENNING † teaching, instruction ...c1320
• LEAR † instruction, learning; in early use, a piece of instruction, a lesson ...a1400-50 obs. exc. Sc. & N. Eng. dial.
• LEARNING † a lesson, instruction ...1362
• LERING † instruction, teaching ...a1300
• LESSONING instruction, admonition ...1583
• POINTER an item of advice or instruction ...1883 Amer. sl.
 
INSTRUCTOR - nouns, person
• LAIR-FATHER a schoolmaster; an instructor; one whose conduct has influenced others ...1684 Eng. dial.
• LAIR-MASTER an instructor ...Bk1902 Sc.
• LECTORESS † a female instructor ...1634
• LORESMAN † a teacher, instructor ...1377
• PRECEPTOR an instructor, teacher, tutor; the head of a school ...1400
• PRECEPTRESS a woman who is an instructor; a teacher, tutor; a woman who is the head of a school 
• SCHOOLIE a classroom instructor ...1889 Brit. naval sl.
• UNDERMASTER a subordinate instructor; in schools, a master or teacher below the headmaster ...1388
 
INSTRUCTIVE - adjectives
• EDIFYING tending to produce moral and spiritual improvement; instructive ...1526
 
INSTRUMENTAL - adjectives
• ORGANIC † pert. to musical instruments; instrumental ...1811
• ORGANICAL † performed on an instrument, instrumental ...1521
 
INSUBORDINATE - adjectives
• GAMSTERRIE perverse, insubordinate, unmanageable, unruly ...1844 Sc.
 
INSUBSTANTIAL - adjectives
• AIRY-FAIRY insubstantial; trivial; of wishful thinking ...1920s Amer. sl.
• FARTING trifling, contemptible, insubstantial ...1930s sl.
• SKETCHY flimsy, insubstantial, vague ...L19 sl.
 
INSUFFERABLE - adjectives
• ILL bad; noxious; hurtful; insufferable ...1714 Sc. & Eng. dial.
• IMPASSIBLE †* not to be endured; insufferable ...1508
 
INSUFFERABLY - adverbs
• UNTHOLEABLY intolerably, insufferably, unendurably ...Bk1905 Eng. dial.
 
INSUFFICIENCY - nouns
• SCANTITY insufficiency ...Bk1904 Eng. dial.
 
INSUFFICIENT - adjectives
• ARGH scanty, insufficient ...Bk1898 Sc.
• CHICKEN-CRAP insufficient, inadequate, of poor quality ...1940s sl., orig. US
• CHICKENSHIT insufficient, inadequate, of poor quality ...1940s sl., orig. US
• FEEBLE † limited in quantity or amount, insufficient, scanty ...1494
• INSUFFISANT † insufficient; not sufficing; incompetent ...1387
• UNGAINLY inconvenient, unhandy; unsteady; not going or working well; insufficient ...1825 Sc. & Eng. dial.
• WANE †* insufficient, too small ...c1400
 
INSUFFICIENT - verbs
• DEFAIL † to be insufficient, to be wanting, to lack ...a1400
• MANK † to fail; to be insufficient ...1809 Sc.
• SCANT to stint; to be insufficiently supplied ...1794 Eng. dial.
• WANT to fail; to give out; to be insufficient for a purpose, etc. ...c1400
 
INSUFFICIENTLY - adverbs
• ARGH insufficiently; not fully or enough; nearly, approaching to ...Bk1898 Sc.
• FEEBLY † in a sorry manner or plight; inefficiently, insufficiently, niggardly, poorly, scantily ...c1290
 
INSULT - nouns
• ABUSION † contemptuous or reproachful language; reviling, insult ...1382
• BACKCAP a verbal insult based upon the insulted person's background; a sharp reply ...1883 Amer. dial.
• BAFFLING † treatment with insult or contumely ...1602
• BISMER † a reproach, a taunt, an insult ...971
• CACK-FACE a term of insult ...1990s sl.
• CAP an insult aimed at someone's family; used as part of a ritualized interchange ...1960s sl., orig. US Black
• DAPTO a general insult ...1970s Aust. teen sl.
• DIRTY DOZEN(S) a provocative exchange of obscene, often rhymed insults concerning esp. the mothers of those participating ...1915 Amer. Black sl.
• DOODLE-BRAIN a general insult; a stupid person, a fool ...1990s Aust. teen sl.
• DOODLE-HEAD a general insult; a stupid person, a fool ...1990s Aust. teen sl.
• DOZEN(S) a provocative exchange of obscene, often rhymed insults concerning esp. the mothers of those participating ...1915 Amer. Black sl.
• EM-EFF 'motherfucker'; a supreme insult ...1960s euphemism, orig. US
• EMM-EFF 'motherfucker'; a supreme insult ...1960s euphemism, orig. US
• FACIAL an instance of humiliation; an insult; a rebuff ...1978 Amer. sl.
• FUNGUS-FACE an insult to a person ...20C sl.
• HARLOT † a man of loose life; a fornicator; a lecher; also, a term or opprobrium or insult ...16C
• JACKER-OFF a general insult; literally, a masturbator ...1930s US sl.
• JACK-OFF a general insult; literally, a masturbator ...1930s US sl.
• KAPPA a disabled person; hence, a general insult ...1990s UK juvenile sl.
• MAFA a supreme insult, a motherfucker ...2000s US Black sl.
• MAMA-JAMMER a supreme insult; a motherfucker ...1950s euphemism
• MAMMY-JAMMER a supreme insult; a 'motherfucker'; a despicable or contemptible person ...1948 Amer. euphemism
• MAMMY-DODGER a supreme insult, a motherfucker ...1920s US Black euphemism
• MAMMY-JABBER a supreme insult; a motherfucker ...1950s euphemism
• MAMMY-JAMMER a supreme insult; a motherfucker ...1950s euphemism
• MAMMY-RAMMER a supreme insult, a motherfucker ...1960s euphemism
• MAMMY-TAPPER a supreme insult; a 'motherfucker'; a despicable or contemptible person ...1967 Amer. euphemism
• MANG a general insult ...1970s Aust. teen sl.
• MOMMA-HOPPER a supreme insult, 'motherfucker' ...1970s euphemism
• MOTHER HUBBER a supreme insult, 'motherfucker' ...1950s euphemism, orig. US
• MOTHER-HOPPER a supreme insult, 'motherfucker' ...1970s euphemism
• MOTHER-HUBBA a supreme insult, 'motherfucker' ...1950s euphemism, orig. US
• MOTHER-HUBBARD a supreme insult, 'motherfucker' ...1950s euphemism, orig. US
• MOTHER-HUGGER a supreme insult, 'motherfucker' ...1950s US euphemism,
• MOTHER-HUMPER a supreme insult, 'motherfucker' ...1960s US euphemism,
• MOTHER-PLUGGER a term of a abuse; an extreme insult an unpleasant or despicable person ...1920s US Black sl.
• MOUTH backtalk; insults ...1896 UK sl.
• ONE IN THE EYE a sharp response, an unpleasant experience, an insult ...L19 sl.
• OPPROBRY † contumelious treatment; an indignity, insult ...1569
• PAIN a general insult to someone or something ...1910s Aust. sl.
• SCATHE AND SCORN insult and injury, blame, reproach ...1790 Sc. & Eng. dial.
• SHOOT THE DOZENS a very elaborate verbal rhyming game traditionally played by Black boys, in which the participants insult each other's relatives - in twelve censures - especially their mothers; the object of the game is to test emotional strength; the first person to give in to anger is the loser ...1900s US Black sl.
• SNAP an insult, esp. a public taunt ...1990s Amer. sl.
• TAIL-WAGGER a general insult for a person ...1940s sl.
• VERBALS insults, abuse, backtalk ...1960s sl.
• ZIT a general insult ...1960s US campus sl.
 
INSULT - verbs
• BACKCAP to insult someone by disparaging their family ...L19 US Black sl.
• BACKCLAP to insult someone ...L19 sl.
• BAFFLE to insult, to bully, to tease ...Bk1898 Eng. dial.
• BAG to insult someone in a competitive, quasi-friendly spirit ...1993 US sl.
• BAG ON to insult someone in a competitive, quasi-friendly spirit ...1993 US sl.
• BISMER † to treat with scorn, to mock, to deride, to insult ...c1000
• CAG to offend; to insult ...1504 Eng. dial.
• CAMP IT OFF to shrug off an insult ...1970s US homosexual sl.
• CAP to put down; to insult ...20C teen & high school sl.
• CRACK to taunt or insult, as with a wisecrack ...1942 Amer. sl., chiefly Black
• CRACK ON to taunt or insult, as with a wisecrack ...1942 Amer. sl., chiefly Black
• CRACK WISE to speak in a knowing or sardonic manner; to offer insults; to wisecrack ...1921 Amer. sl., orig. criminals' 
• CUT DOWN ON to insult ...20C teen & high school sl.
• CUT ON to insult ...20C teen & high school sl.
• DIG to make a cutting remark; to jab at verbally, to insult ...1965 Amer. dial.
• DIG OUT to taunt, to insult ...1998 UK sl.
• DIS(S) to insult in a competitive, quasi-friendly spirit, esp. in a competitive rap battle ...2000 US sl.
• EAT BOILED CROW to suffer humiliations and insults without responding in kind ...1877 sl.
• EAT CROW to suffer humiliations and insults without responding in kind ...1877 sl.
• EAT DOG to 'eat one's words'; to back down from an untenable position; to assume the responsibility for what one has said or done; to suffer humiliation and insult without reciprocating ...19C sl.
• EAT TURKEY to suffer humiliation and insult without reciprocating ...1965 US sl.
• FACE to outperform, to show up, to humiliate, to insult ...1950s US campus sl.
• GAFF to insult, to ignore ...1980s US college sl.
• GIVE SOMEONE THE VERBAL to insult, to abuse ...1973 Brit. sl.
• HEAN † to insult, to humiliate, to debase, to lower ...c950
• HENE † to insult, to humiliate, to debase, to lower ...c950
• HONISH † to bring to disgrace or ruin; to dishonour, insult; to destroy, put an end to ...a1300
• JAPE † to mock, to deride, to scoff; to insult ...c1440
• KEG to annoy, to vex, to insult, to give sharp offense; to grieve ...1801 Sc. & Eng. dial.
• MEAN-MOUTH to malign; to scold; to insult; to give a tongue-lashing to ... c1960 Amer. dial.
• MOUTH OFF to insult ...1958 US sl.
• PLAY IN SOMEONE'S FAMILY to indulge in a bout of ritualized name-calling, based on insulting each other's mother ...1920s US Black sl.
• PLAY IN THE FAMILY to indulge in a bout of ritualized name-calling, based on insulting each other's mother ...1920s US Black sl.
• RANK OUT to kid or tease a person; to harass, to insult ...1966 Amer. dial.
• RANK to insult or put down someone, esp. within one's social group ...1958 US Black sl.
• RANK ON to insult, often by ritual insults directed at the other person's mother ...1950s sl.
• SCREAM to insult or disparage someone; to speak in a derogatory manner about; to embarrass someone publicly ...1972 Amer. sl.
• SCREAM COLD ON to insult or disparage someone; to speak in a derogatory manner about; to embarrass someone publicly ...1980 Amer. sl.
• SCREAM ON to insult or disparage someone; to speak in a derogatory manner about; to embarrass someone publicly ...1970 Amer. sl.
• SHOOT ON to belittle; to insult; to verbally attack ...1960s US Black sl.
• SIGNIFY to engage in ritualist insults, goading and teasing ...1932 US sl., chiefly Black usage
• SNAP ON to insult, esp. publicly and in a sort of competitive way ...1990s Amer. sl.
• TALK THAT TALK to indulge in ritual name-calling, esp. based on insulting one's opponent's mother ...1930s US Black sl.
• TOP † to insult ...a1700 obs.
 
INSULT - interjections/phrases
• AND A MERRY CHRISTMAS TO YOU TOO! used ironically in response to a disparagement or an insult ...1976 UK sl.
• OSAMA YO MAMA used as a general insult ...2002 US teen sl.
• THAT'S YOUR MAMMY! used as a general insult or intentionally provocative remark, or as a retort in response to such a remark ...1942 Amer. dial.
• UNPROFESSIONAL, THAT'S WHAT YOU ARE used as a humorous if pointed insult ...1997 US sl.
• UP YOUR BUM! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...1910s Aust. sl.
• UP YOUR BUM CHUM! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...Bk1996 Aust. sl.
• UP YOUR DATE MATE! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...Bk1996 Aust. sl.
• UP YOUR JUMPER! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...1920s Aust. sl.
• UP YOUR NOSE! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...Bk1996 Aust. sl.
• UP YOUR NOSE WITH A RUBBER HOSE! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...1979 sl.
• UP YOUR NOSE WITH A RUBBER HOSE AND TWICE AS FAR WITH A CHOCOLATE BAR! an exclamation of scornful dismissal, rejection, insult, contempt, etc. ...Bk1996 Aust. sl.
• YO' MAMA! used as a general insult or intentionally provocative remark, or as a retort in response to such a remark ...1971 Amer. dial.
 
INSULTING - adjectives
• AFFRONTOUS †* full of affront; insulting; hostile ...1598
• OPPROBRIOUS † of actions, feelings, etc.: offering or disposed to offer indignity; insulting, insolent ...1630
• SARCASMOUS † sarcastic; insulting ...1663
 
INSULTING - nouns
• RANKING the act of insulting, usually one's family, and esp. one's mother ...1960s US Black sl.
 
INSULTING - nouns, person
• SIGNIFIER one who boasts or makes insulting remarks ...1930s US Black sl.
 
INSULTING - phrases
• READ MY LIPS used to convey that one is thinking something insulting or obscene but choosing not to speak it ...1980s sl.
 
INSURANCE - nouns, person
• DEAD MAN a weekly insurance collector ...1930s Irish sl.
 
INSURANCE - verbs
• BOARD WITH AUNT POLLY to draw insurance for sickness or accident ...1931 Amer. logging sl.
 
INSURRECTION - nouns
• SULLEVATION † insurrection; a murderous intention ...1611
• SULLIVATION † insurrection; a murderous intention ...1605
 
INSURRECTION - verbs
• MAKE HEAD AGAINST to resist; to rise in insurrection or revolt against; to advance in spite of ...1577-87
• TAKE A HEAD † to make insurrection; to raise a tumult ...1678
 
INTACT - adjectives
• IN ONE PIECE intact, unharmed
 
INTEGRITY - adjectives
• INTEGRITIVE †* marked by integrity; upright, sincere ...1784
 
INTEGRITY - nouns
• CANDOUR † stainlessness of character; purity, integrity, innocence ...1610
• SIMPLESSE † absence of duplicity or guile; innocence, integrity, guilelessness ...1390 obs. exc. arch.
• SINGLENESS sincerity, straightforwardness, honesty, integrity; freedom from deceit, duplicity, or guile ...1526
• YAEFAULDNESS singleness of heart, integrity, simplicity ...1862 Sc.
 
INTEGRITY - nouns, person
• CLEANSKIN a person of integrity, esp. in a political context ...1942 Aust. sl.
 
INTELLECT - adjectives
• BACK O' BEHIND of slow intellect ...Bk1898 Eng. dial.
• CAKEY silly, weak of intellect, idiotic ...Bk1898 Eng. dial.
• FACULTY STRUCKEN deprived of the use of one's senses, weakened in intellect ...1884 Eng. dial.
• MYRIAD-MINDED of vast intellect, or great versatility of mind ...1817
 
INTELLECT - nouns
• ENGINE intellect, genius, mental capacity; disposition, character ...1631 Sc.
• HEAD-PIECE the head, as seat of the intellect; brain, understanding, intellect ...1588
• IDIOTISM * the condition of being void of intellect or reason ...1612
• INGINE † ingenuity, quickness of intellect; ability; knowledge, invention ...1660 Sc.
• INNOCENCE idiocy, weakness of intellect ...1862 Eng. dial.
• INTELLECTUALS. intellect, understanding, mental capacity ...1714 Sc.
 
INTELLECT - nouns, person
• EAGLE-WIT † a person of penetrating intellect ...1665
• HARD-HEAD one not easily moved or swayed by sentiment; one dull of intellect ...1519
• HEAD-PIECE a man possessed of brains; a man of intellect ...1656
 
INTELLECT - verbs
• ABALIENATE † to cause loss or aberration of intellect ...1585
 
INTELLECTUAL - adjectives
• ARTY-FARTY pretentious, overly intellectual or artistic; exhibiting superficial form and little positive content, etc. ...1950s sl.
• ARTY-TARTY pretentious, overly intellectual or artistic; exhibiting superficial form and little positive content, etc. ...1950s sl.
• BIG-DOME intellectual ...1950s sl.
• DOUBLE-DOMED intellectual ...1950s sl.
• FAT ON TOP intellectual ...1970s US homosexual sl.
• FOXY clever, intellectual ...1900s sl.
• HIGH-NOSED arrogant, supercilious; intellectual, pretentious ...L18 sl.
• POINTY-HEADED intellectual; cultured ...1968 Amer. sl.
• SKILFUL † intellectual, mental ...1387-8
• WONKY intellectual; out of touch with reality ...1970 US sl.
 
INTELLECTUAL - nouns
• FACULTIES OF THE HEAD the brain, the intellectual faculties ...Bk1900 Eng. dial.
• ILLUMINATIONS † intellectual gifts ...1634
• QUALITIES intellectual ability ...Bk1905 Eng. dial.
 
INTELLECTUAL - nouns, person
• AMENT a person congenitally deficient in mind or intellect; a born idiot or imbecile ...1897
• BIG DOME an intellectual, a scholar, esp. one who seems to hold eccentric or impractical opinions ...1930s sl.
• DOUBLE DOME an intellectual, a scholar, esp. one who seems to hold eccentric or impractical pinions ...1935 sl.
• EGGHEAD (usually derogatory) an intellectual ...1907 sl., orig. US
• LONG-HAIR (usually derogatory) an intellectual ...1920 sl., orig. US
• OLD CLO an intellectual ...L19 sl.
• POINTED HEAD an intellectual ...1972 Amer. sl.
• POINTHEAD an intellectual ...1972 Amer. sl.
• POINTY-HEAD an intellectual or expert; used disparagingly ...1972 US sl.
• SAP (derogatory) an intellectual ...M19 sl.
• WONK an overstudious student; an intellectual ...1990s Amer. college sl.
• WOWSER a 'blue-stocking'; an intellectual or literary woman...B1959 Aust. sl.
 
INTELLIGENCE - nouns
• ADVISO † information, intelligence; an official notification, dispatch, or 'advice' ...1594
• BRAINS intelligence ...1763
• CABEZ intelligence ...1956 Trinidad and Tobago
• GREY MATTER intelligence ...1965 sl.
• HALF-SENSE a minimum of intelligence or common sense ...1937 Amer. dial.
• KIDNEY the brain; hence, intelligence ...2003 Trinidad and Tobago
• NODDLE the head as a seat (or not) of intelligence ...L16 sl.
• NOTITION † knowledge, information, intelligence ...c1485
• NUT the head; hence, brains, intelligence ...1846 Brit. colloq.
• SABBE understanding, intelligence, awareness ...L18
• SABBY understanding, intelligence, awareness ...L18
• SAVEY understanding, intelligence, awareness ...L18
• SAVV understanding, intelligence, awareness ...L18
• SAVVEY understanding, intelligence, awareness ...L18
• SAVVY understanding, intelligence, awareness ...L18
• SCAVEY understanding, intelligence, awareness ...L18
• SKILLWISENESS † discretion, intelligence, reason ...a1200
• SMART intelligence ...1970 US sl.
• SMARTS intelligence ...1970 US sl.
• UP TOP a person's intelligence ...1961 UK sl.
 
INTELLIGENT - adjectives
• ALL THERE intelligent ...colloq.
• APTISH intelligent, quick-witted ...Bk1898 Eng. dial.
• GAUM-LIKE having an intelligent look ...1863 Eng. dial.
• HEADISH intelligent, clever, sharp ...Bk1902 Eng. dial.
• HOOKED UP well put together; hence, well-dressed or intelligent ...1933 Amer. sl.
• KEEN AS A BRIAR sly; quick-witted; intelligent ...1834 Amer. dial.
• LIKELY sensible, intelligent  ...1809 Amer. dial.
• NAWPY clever, intelligent, shrewd; excelling ...Bk1905 Eng. dial.
• OLD-FASHIONED knowing, cunning, intelligent; precocious ...1844 Eng. dial.
• QUICK ON THE BUZZER bright, intelligent, quick to act ...19C sl.
• QUICK ON THE DRAW bright, intelligent, quick to act ...19C sl.
• QUICK ON THE TRIGGER bright, intelligent, quick to act ...19C sl.
• SCHOOLED intelligent, sophisticated ...1960s US Black sl.
• SHARP AS A BAMBOO-BRIAR sly; quick-witted; intelligent ...1880 Amer. dial.
• SHARP AS A BRIAR sly; quick-witted; intelligent ...1902 Amer. dial.
• SHARP-WITTED perceptive, intelligent
• SKILLWISE † intelligent, discerning, clever ...a1300
• SPACK † intelligent, clever ...ME obs. exc. Eng. dial.
• SPARKLING lively, intelligent, and witty
• THOUGHTY thoughtful, given to reflection; attentive; intelligent ...1823 Sc.
• TIDY intelligent, clever ...Bk1905 Eng. dial.
• UPHEADED alert, shrewd, intelligent; self-confident, arrogant, haughty, conceited ...1826 Amer. dial.
• WAKEN alert, brisk, lively; sharp; intelligent, quick-witted ...1867 Eng. dial.
• WITTY skilful, clever, intelligent ...1952 Amer. dial.
 
INTELLIGENT - nouns
• LONGHEAD an intelligent, farseeing mind ...1799 Amer dial.
 
INTELLIGENT - nouns, person
• BRAINIAC an intelligent student ...20C teen & high school sl.
• GALLON HEAD an intelligent person ...1980s US Black sl.
• ROCKET SCIENTIST a very intelligent person (usually used in the negative) ....colloq., orig US
• SMIT SMOKE a highly intelligent Black person ...1940s US Black sl.
 
INTELLIGENT - verbs
• HAVE GUTS IN ONE'S BRAIN(S) to have a solid understanding; to be genuinely intelligent; to have sense ...c1660 colloq.
• HAVE ONE'S HEAD ON to have all one's wits about one; to be intelligent, quick ...Bk1902 Eng. dial.
• PLAYING WITH A FULL DECK to be aware, intelligent ...1960s sl.
• USE ONE'S CHUMP to act intelligently ...20C sl.
• WEAR A HEAD to be intelligent ...E19 sl.
 
INTELLIGIBLE - adjectives
• FATHOMABLE comprehensible, intelligible ...1633
• UNCURIOUS † clear, intelligible ...1601-3
 
INTELLIGIBLE - verbs
• GET THROUGH ONE'S HEAD to make intelligible to one ...Bk1913-17 Amer. dial.
 
INTEMPERATE - adjectives
• CRAPULOUS characterized by excess in drinking or eating; intemperate, debauched; drunk; given to gluttony ...1536
 
INTEND - verbs
• ALLOT to anticipate, to look forward to, to intend ...Bk1898 Eng. dial.
• CALCILATE to calculate; to plan; to intend ...1915 Amer. dial.
• CAST † to design, to purpose, to intend, to determine to do a thing ...a1380
• EBBEN to intend, to propose ...Bk1900 Eng. dial.
• ECCLE to aim or intend ...1721 Eng. dial.
• ECKLE to aim, to intend, to design ...1721 Eng. dial.
• ETTLE to intend, to propose, to have in mind, to purpose ...1790 Sc. & Eng. dial.
• HAVE A CALL to intend, to have a mind to ...1944 Amer. dial.
• LAY BY to intend, to decide ...1887 Amer. dial.
• LAY OFF to plan, to intend ...1843 Amer. dial.
• LAY OUT to intend, to plan, to arrange ...1828 Amer. dial.
• LAY UP to intend ...1952 Amer. dial.
• LOT ON to count on, to intend to; to look forward to ...1829 Amer. dial.
• MARK † to aim, to intend to do something ...a1400 Sc.
• TEND to intend ...1882 Sc. & Eng. dial.
• THREATEN to intend, to purpose; to promise ...Bk1905 Eng. dial.
 
INTENDED - adjectives
• BETHOUGHT † of a thing: intended, purposed, contrived ...c1200
• NATE prepared; intended ...Bk1905 Eng. dial.
 
INTENSE - adjectives
• BRIMSY extreme, intense ...1950 Amer. dial.
• EARNESTFUL † earnest; sincerely zealous; intense, ardent ...1430
• HELLACIOUS extraordinarily good; bad, intense, violent, severe, etc. ...1929 Amer. sl.
• HUMMING notably large or active; energetic; vigorous, striking, intense ...M17 sl.
• ODIOUS very big, great, excessive, intense, out of the ordinary; strange, wonderful ...1825 Sc.
• SAVAGE strong, intense ...1940s sl.
• SERIOUS large; intense; important ...1980s US Black sl.
• UNDEEMAN great beyond belief, incredibly big, intense, etc. ...1808 Sc.
• VENGEABLE † very great, severe, strong, intense ...1532
 
INTENSE - phrases
• HAVE IT BAD to be experiencing something, as illness, love, sexual obsession, etc., intensely ...L19 sl.
• HAVE THEM BAD to be experiencing something, as illness, love, sexual obsession, etc., intensely...L19 sl.
 
INTENSELY - adverbs
• BREAMING intensely, very ...1936 Amer. dial.
• BRINJING extremely, intensely ...1950 Amer. dial.
• BY TOOTH AND TOENAIL fiercely, intensely ...1923 Amer. dial.
• FULL OUT absolutely, completely, intensely ...1918 US
• HARD very much, extremely; intensely ...1850 Eng. & Amer. dial.
• LIKE STINK intensely, furiously ...1920s sl.
• TO STINK intensely, furiously ...1920s sl.
• VENGEANCE † extremely, intensely ...1548
 
INTENSIFIER - a term that enhances and gives additional emotional context to the word it modifies
• ALL TO HECK a general intensifier ...1950s US sl.
• ASS-KICKING a general intensifier, extremely, very much, powerfully ...1960s US sl.
• BALLY a euphemism for 'bloody'. used as a vague intensive of general application; 'confounded', 'jolly' ...1887 sl.
• BEDAMNED a general intensifier, very, very much, exactly, completely ...L16
• CHRISTLESS. god-damn, a general intensifier ...1910s US sl.
• CHRISTLY a general intensifier ...1910s US sl.
• DAM a general intensifier, complete, utter ...L19
• DAMN adj. a general intensifier, complete, utter ...1865
  adv. a general intensifier, very, very much, exactly, completely ...M19
• DAMNED an intensifier, generally to negative effect; a strong expression of reprehension or dislike ...1596 UK
• DARNED an intensifier; damned ...1807 US euphemism
• DEAD intensifier; very, thoroughly, absolutely, extremely, completely; wholeheartedly ...1589
• DECENT an intensifier, both positive and negative ...1940s sl.
• DOM'D a general intensifier; complete, utter ...M19
• EARTHLESS used as a non-profane negative intensifier ...1965 Barbados sl.
• EM-EFF 'motherfucking'; a general intensifier ...1950s euphemism, orig. US
• EMM-EFF 'motherfucking'; a general intensifier ...1950s euphemism, orig. US
• EVER-LOVING a general intensifier ...1910s US sl.
• FACKING an intensifier; 'fucking' ...2001 UK sl.
• FATAL completely, out-and-out; used as an intensifier ...1927 Amer. dial.
• FATHER-FUCKING a general intensifier ...1960s US homosexual sl.
• FETCHED confounded, damned; used for emphasis ...1854 Amer. dial.
• FLAMING an intensifier ...1895 UK sl.
• FLICKING an intensifier, fucking ...20C sl.
• FLIPPING an intensifier ...E20 sl.
• FREAKING an intensifier ...M20 US sl.
• FRICKING a general intensifier ...1930s euphemism for 'fucking'
• FRIGGING an intensifier; damned; 'fucking' ...M20 US sl.
• FUCKING an intensifier
• GORMED an intensifier; damned ...1970 Amer. dial.
• HEAVENS an intensifier ...1878 colloq.
• LIKE A BASTARD a general intensifier ...1910s sl., orig. US
• LOUSY used as a derogatory intensive ...1965 Amer. dial.
• MAD an intensifer ...1972 US
• MAMA-JABBING a general intensifier; motherfucking ...1940s euphemism
• MAMMY-DODGING a general intensifier, motherfucking ...1920s sl.
• MAMMYFUCKING a general intensifier; motherfucking ...1970s sl.
• MAMMY-JAMMING a general intensifier; motherfucking ...1940s euphemism
• MAMMY-RAMMING a general intensifier; motherfucking ...1960s euphemism
• MAMMY-RAMMY a general intensifier; motherfucking ...1960s euphemism
• MAMMY-SCREWING a general intensifier, motherfucking ...1960s semi-euphemism
• MAMMY-TAPPING a general intensifier, motherfucking ...1960s euphemism
• MENTAL used as an intensifier meaning wonderful, bizarre, terrifying according to context ...1990s sl.
• MONSTROUS † an intensifier ...1710-11 obs. exc. Amer. dial.
• MOTHER-HOPPING an intensifier ...1960s US euphemism
• MOTHER-HUGGING an intensifier ...1950s US euphemism
• MOTHER-HUMPING an intensifier ...1960s US euphemism
• MOTHERRAMMING a general intensifier; 'motherfucking'  ...1960s US Black euphemism
• MUCKING used as an intensifier; a euphemism for 'fucking' ...1887 UK sl.
• MUDDLEFUGGING intensifier; used for 'motherfucking' ...1961 US euphemism
• NAFFING an intensifier, 'fucking' ...1959 Brit. sl.
• ODIOUS used as an intensifier; exceedingly great ...1898 Sc.
• OLD an intensifier; great, abundant, famous, fine ...1790 Sc. & Eng. dial.
• PIGGING intensifier; a euphemism for 'fucking' ...20C sl.
• QUARE good, excellent; also, a general intensifier ...M19 Irish sl.
• QUITE TOO a general intensifier ...L19 UK society sl.
• RAATID used as an intensifier that implies anger or strong disapproval ...1994 UK Black usage
• RAD a general intensifier; extreme, excessive, very much, excellent, best; exciting, good ...1982 sl., orig. US teen
• RAD-O a general intensifier; extreme, excessive, very much, excellent, best ...1980s sl., orig. US teen
• RAGING a general intensifier ...L19 sl.
• RAHTID used as an intensifier that implies anger or strong disapproval ...1994 UK Black usage
• RAMPAGEROUS an intensifier, as a lot  of rampagerous damage ...1891 Eng. dial.
• RAMPING an intensifier, as in 'ramping good' ....Bk1905 Eng. dial.
• RARE an intensifier of a noun, as 'a rare passion' ...M18
• RAVING an intensifier ...1865 Sc. & Amer. dial.
• RHAATID used as an intensifier that implies anger or strong disapproval ...1994 UK Black usage
• TARNAL infernal; damned; damnable; used as an intensifier ...1790 Amer. dial.
• TARNATION damned; used as an intensifier ..1783 Amer. dial.
• WHOLLOPING a general intensifier, usually as to size ...M19 sl.
 
INTENSIFY - verbs
• NETTLE * to make sharp, to intensify ...1821
 
INTENSIFYING - nouns
• MAJORATION † the act of increasing or intensifying ...1626
 
INTENSIVELY - adverbs
• LIKE KILLING BLACK SNAKES very industriously, intensively ...1906 Amer. dial.
• LIKE KILLING SNAKES very industriously, intensively ...1956 Amer. dial.
 
INTENT - adjectives
• HEART-BOUND having the heart enchained or entirely devoted; intent ...1580
• TENT watchful, attentive; keen; intent ...1789 Sc.
 
INTENT - nouns
• ETTLE an attempt, an effort, an endeavour, an aim, an intent ...1839 Sc.
• HEART † intent, will, purpose, inclination, desire ...c825
• OBTENT † purpose, intent ...1430-50
 
INTENTION - nouns
• AFFECT † the way in which one is affected or disposed; mental state, mood, feeling, desire, intention ...c1374
• BENT † that towards which an action, etc. is directed; aim, purpose, intention ...1579
• ETTLEMENT intention ...1790 Eng. dial.
• ITEM an intention, purpose; a crafty design; a trick; a fancy, a fad ...1887 Eng. dial.
• MEANINGS intentions ...Bk1905 Eng. dial.
 
INTENTION - verbs
• OFFER to attempt, to try; to make an effort or start; to show intention or promise of ...1722 Sc. & Eng. & Amer. dial.
 
INTENTIONALLY - adverbs
• AFFECTEDLY † with aim or desire; with true intent; intentionally, sincerely, earnestly ...1596
• A-PURPOSE on purpose, deliberately, intentionally ...1816 Eng. & Amer. dial.
 
INTERCEDE - verbs
• BEMEAN †* to mediate, to intercede ...1459
 
INTERCEPT - verbs
• HEAD to intercept, to turn someone to something aside ...1707 Amer. dial.
• HEAD OFF to intercept ...Bk1905 Amer. dial.
• KEEP † to lie in wait for, to watch for stealthily with hostile purpose; to intercept on the way;  ...c1000
• KEP to meet, to intercept, to throw oneself in the way of a person or thing; to stop the course of; to receive the force of a blow ...c1420 Sc. & N. Eng. dial.
 
INTERCOM - nouns
• BOX an intercom ...1948 Amer. sl.
• CHATTERBOX an announcing or intercommunication system ...World War II usage
• SQUAWK-BOX a loudspeaker or public-address system; also, an intercom ...1945 US sl.
 
INTEREST - nouns
• BABY one's special project, interest, or responsibility ...1890 sl.
• NIBBLE a non-committal expression of interest ...1959 Brit. sl.
 
INTEREST (finance) - nouns
• ADVANTAGE † pecuniary profit, gain; interest on money lent ...1393
• BARMING interest arising from money ...1823 Sc.
• GAVEL † interest on money lent; usury ...a700
• INTRESS interest upon money ...Bk1902 Eng. dial.
• INTRUST interest upon money ...1896 Eng. dial.
• VIG interest on a loan or debt ...1910s US sl.
• VIGERAGE interest on a loan or debt ...1910s US sl.
• VIGGRESH interest on a loan or debt ...1910s US sl.
 
INTEREST - verbs
• HAVE A NICKEL IN THAT DIME to have an interest in a certain state of affairs ...c1974 US Black sl.
• HOLD IN HAND to amuse; to interest ...c1860 colloq.
 
INTEREST (finance) - verbs
• GAVEL †* to lend money on interest ...1382
 
INTERESTED - adjectives
• ALL ABOUT interested in ...1999 US sl.
• ON ABOUT interested in, talking about ...1950s sl.
• THRO † eager; keenly interested ...1775 Eng. dial.
 
INTERESTING - adjectives
• CUNNING quaintly interesting; pretty, attractive ...1854 sl. orig. US
• KILLING fascinating, very interesting, wonderful ...M19 sl., orig. US
 
INTERESTING - nouns
• ACTION what is going on or happening; thus a situation or state of affairs, anything exciting, current, interesting, depending on the context, e.g. the chance for sex, a musical performance, a night's gambling ...1920s sl., orig. US Black
• VA VA VOOM style; a powerful or seductive style; the quality of being interesting, exciting, or sexually appealing ...1996 US sl.
 
INTERFERE - verbs
• ACE to take part uninvited; to interfere ...1935 US criminals' sl.
• ACE IN to interfere, to become involved with ...1930s US criminals' sl.
• BEGIN to interfere, to molest ...Bk1898 Eng. dial.
• CHARVER to despoil; to interfere with and spoil one's business ...L19 sl.
• CHISEL IN to insinuate oneself, to butt in, to interfere ...1926 Amer. sl.
• CRAB THE ACT to spoil things; to thwart someone's plans; to interfere with someone or something ...1906 Amer. sl.
• DABBLE † to meddle, tamper with; to interfere in ...1660
• DACKER to interfere ...1927 Sc.
• DISANNUL to disarrange, to inconvenience, to interfere with, to injure ...1857 Eng. dial.
• ELT to meddle with, to interfere ...1897 Sc.
• GIVE THE CALF MORE ROPE not to interfere ...Bk1942 Amer. West. sl.
• GUM THE GAME to interfere; to spoil things ...Amer. World War I sl.
• HORN IN ON to interfere; to intrude upon ...L19 Aust.
• HUMBUG to interfere with; to bother ...1904 Trinidad and Tobago
• INTROMIT to meddle with, to interfere; to associate ....1818 Sc.
• JAZZ UP to confuse; to mess up; to interfere with; to ruin or impair; to botch ...1917 Amer. sl.
• MACO to interfere in other people's affairs ...20C W. Indies sl.
• MAKE to meddle, to interfere ...1815 Sc.
• MAKE OR MEDDLE to interfere in any way ...1773 Sc.
• MAKE OR MEND to interfere in any way ...Bk1905 Eng dial. 
• MAKO to interfere in other people's affairs ...20C W. Indies sl.
• MAR † to hamper, to hinder, to interfere with, to interrupt or stop a person, event, or thing ...c1000
• MARDLE to quarrel; to interfere ...Bk1905 Eng. dial.
• MEDDLE-MAKE to interfere ...Bk1905 Eng. dial.
• MEDDLE OR MAKE to interfere in matters which do not concern one ...1790 Sc. & Eng. dial.
• MELL to meddle; to interfere; to join in battle ...1790 Sc. & Eng. dial.
• MELL OR MAKE to interfere with ...1825 Sc. & Eng. dial.
• MESS WITH to harass, to annoy, to interfere with ...L19 sl.
• MONK to tinker, trifle, or fool around; to tamper or interfere with surreptitiously ...1889-90 Amer. sl.
• MONKEY to waste time, to fool around; to tamper, to meddle, to interfere, to fiddle with something or someone ...1881 Amer. dial.
• MONKEY WITH to tamper or interfere with surreptitiously ...1895 Amer. sl.
• MUCK UP to botch; to ruin; to interfere ...1886 UK sl.
• NEB to intervene in another's business; to intrude, to interfere ...1893 chiefly N. Eng. & Amer. dial.
• NIB to pry, to meddle, to interfere ...1942 Amer. dial.
• NIBSHIT to pry, to meddle, to interfere ...1968 Amer. dial.
• PARRY WITH to meddle or tamper with, to have dealings with, to occupy oneself with, to interfere with ...1815 Sc.
• PUT IN ONE'S OAR to interfere; to voice an unwanted opinion ...1730 sl.
• PUT THE HAND BETWEEN THE BARK AND THE TREE to interfere or meddle in matters which do not concern one, especially between husband and wife ...19C
• PUT YOUR OAR IN to interfere in someone else' s business ...1730 UK sl.
• QUEER THE ACT to interfere, to spoil or thwart someone's plans ...1910s US sl.
• SCALD ONE'S LIPS IN OTHER FOLK'S KAIL to interfere in other people's business, to one's own hurt ...1822 Sc.
• SCALD ONE'S LIPS IN OTHER FOLK'S KALE to meddle with other people's business ...1773 Sc.
• SHOVE IN YOUR OAR to interfere in someone else' s business ...1730 UK sl.
• SHOVE ONE'S OAR IN to interfere, to meddle ...1870 colloq.
• SHOVE YOUR NOSE IN to interfere, to interpose rudely ...1887 UK sl.
• SNOOP to pry, to interfere, to listen in ...1920s sl., orig. US
• STICK ONE'S FACE IN to interfere, to be nosy ...L19 US sl.
• STICK YOUR NOSE IN to interfere, to interpose rudely ...1887 UK sl.
• TAKE A COURSE WITH to cause problems for; to interfere with ...E17 sl.
• TIG to interfere; to meddle; to do have to do with ...1599 Sc.
• TIG WITH to meddle, to interfere ...1889 Sc.
 
INTERFERE - phrases
• WHO PULLED YOUR CHAIN? who asked you to interfere ...1925 US sl.
 
INTERFERENCE - nouns
• FACE interference, nosiness ...19C US sl.
• HANDLING interference, intermeddling ...1895 Sc.
• HAND-SHAKING an interference, intermeddling ...Bk1905 Sc.
 
INTERFERING - adjectives
• ATHWART ONE'S HAWSE across one's path; in one's way; interfering ...1827 Amer. dial.
• BUSY interfering, nosy ...1970s
• DABBLESOME meddling, tampering, interfering with ...1866 nonce word
• FAST interfering, meddlesome ...1940s W. Indies sl.
• FAST AND OUT OF PLACE emphatically over-concerned with the affairs of others ...2003 Trinidad and Tobago
• GIPSY interfering, irritatingly inquisitive ...20C W. Indies sl.
• GYPSY interfering, meddling, nosy, officious, irritatingly inquisitive ...20C W. Indies sl.
• METE meddlesome, interfering ...20C W. Indies sl.
• TABBY interfering, inquisitive, judgemental ...1920s US sl.
• UP IN SOMEONE'S SHIT interfering, poking one's nose in ...2000s US Black sl.
 
INTERFERING - nouns
• NOSE TROUBLE a propensity for interfering ...1930s US sl.
• TABBYISM acting as a querulous, interfering old woman ...L17 sl.
 
INTERFERING - nouns, person
• BUNGO-BESSY an interfering busybody ...1940s W. Indies
• BUTTERINSKY one who interferes; a meddler ...1903 Amer. dial.
• BUTTINSKI one who interrupts or interferes; a meddler ...1902 Amer. dial.
• BUTTINSKY one who interrupts or interferes; a meddler ...1902 Amer. dial.
• DANDY-PUFF an interfering, meddlesome young person ...Bk1900 Eng. dial. 
• EYEBALLER a meddlesome or interfering person ...1920 Amer. dial.
• FARELOOPER an interloper, one who interferes or meddles in the affairs of others ...1856 Eng. dial.
• FARLOOPER an interloper, one who interferes or meddles in the affairs of others ...1856 Eng. dial.
• GAMP an idle, meddling person, an interfering busybody; a buffoon, an empty-headed, noisy fellow ...Bk1900 Sc.
• JACK-STICKLER † a meddlesome or interfering person; a busybody ...1579
• MARPLOT one who mars or defeats a plot or design by officious interference, or hinders the success of any undertaking ...1708
• MEDDLE BOX an interfering nosy person; a busybody ...1968 Amer. dial.
• MEDDLESOME BOX an interfering nosy person; a busybody ...1968 Amer. dial.
• MEDDLESOME MATILDY an interfering nosy person; a busybody ...1965 Amer. dial.
• MEDDLESOME MATTIE an interfering nosy person; a busybody ...1946 Amer. dial.
• NIBBER one who interferes or meddles; a busybody ...1968 Amer. dial.
• PAULA PRY a meddlesome or interfering woman ...1950 Amer. dial.
• PAUL PRY a meddlesome or interfering person ...1840 Amer. dial.