ness, exactness, exactitude, identicalness; indistinguish-ability, Eccles. Homoousia, consubstantiality; equivalence, correspondence, coincidence, agreement; congruence, congruency, equality, interchangeability, convertibility.
2. oneself, itself, self, selfhood, selfness, ego; individuality, person, personality, name; particularity, singularity, uniqueness, differentness.
3. resemblance, likeness, alikeness, similarity, similitude, semblance; closeness, approximation, nearness; synonymy, analogy, accordance, consimilarity. ideogram, n. ideograph, hieroglyphic, hieroglyph, symbol, figure; grammalogue, stenograph. ideology, n. doctrine, teachings, dogma, tenets, doxy; creed, credo, canons, articles of faith, gospel; theory, thesis, principles, postulates, axioms; beliefs, opinions, convictions. idiocy, n. 1. imbecility, moronism, moronity, retardation, Psychiatry, amentia; senility, anility, dotage; simple-mindedness, shallowness, feeble-mindedness, weak-mindedness; harebrainedness, giddiness, recklessness; absent-mindedness, confusedness, confusion; featherheadedness, featherbrainedness, rattleheadedness, rattlebrainedness.
2. stupidity, stupidness, Inf dumbness, Inf. dopiness, unintelligence, fatuity; dullness, inexpressiveness. See fatuity (def 2).
3. craziness, SI. kookiness, Inf. nuttiness, daftness; insanity, madness, lunacy, derangement, anoesis, Psychiatry. dementia; All SI. balminess, bugginess, screwiness, wackiness, goofiness.
4. asininity, foolishness, silliness, Archaic, insipi-ence; absurdness, absurdity, inanity, fatuousness; unreasonableness, irrationality, illogicalness, illogicality; nonsense, nonsensicalness, nonsensicality, ridiculousness, ludicrousness; childishness, puerility, immaturity. idiom, n. 1. expression, locution, phrase, set phrase; turn of phrase or expression, phrasing, wording.
2. language, dialect, tongue, vernacular, speech; jargon, cant, argot, slang, street language, Obs. flash; parlance, Inf. lingo, phraseology, manner or style of speech, Linguistics, idiolect; accent, brogue, patois.
3. dialectal variation, regionalism, provincialism, colloquialism, localism. idiosyncrasy, n. 1. idiocrasy, mannerism, affectation, quirk, twist, kink, eccentricity, peculiarity, singularity, speciality; characteristic, trait, quality, feature, attribute, property.
2. nature, make-up, constitution; character, disposition, temperament, habit, mettle; humor, mood, frame or state of mind; tendency, bias, grain, leaning, propensity, proclivity, penchant, proneness, drift, predilection, predisposition, streak; complexion, tone, aspect, cast, turn, bent, style.
3. allergy, hypersensitivity, sensitivity, intolerance; susceptibility, susceptibleness, susceptivity; vulnerability, weakness. idiot, n. imbecile, mooncalf, Inf. moron; fool, sap-head, Simple Simon, noodle, Inf. jay, SI. jerk, goose; simpleton, ninny, nincompoop, silly, silly billy, driveler, tomfool; dimwit, nitwit, half-wit, featherbrain, pinhead; scatterbrain, rattlehead, rattlepate, rattlebrain; dope, booby, SI. lamebrain, Inf dummy, SI. dumbbell, SI. dumbhead, Inf muddlehead; Inf. cretin, dolt, loon, Archaic, lurdan, clod, oaf, dunce, Inf chump, Inf. coot; blockhead, beetlehead, bonehead, dunderhead, dunderpate; chucklehead, SI. lunkhead, Inf. knucklehead, dullard, Inf. numskull, SI. zombie; donkey, ass, lubber, lout; ignoramus, know-nothing, lowbrow, illiterate; crackpot, SI. nut, lunatic, maniac, psychotic; sulker, Inf. crank, Inf. grouch.