THESAURUS
Idiot
alcoholic, aliene, alternating personality, ament, antisocial personality, ass, bedlamite, borderline case, born fool, clot, congenital idiot, crackbrain, crackpot, cretin, defective, dement, demoniac, disordered personality, disturbed personality, donkey, double personality, drug user, dual personality, dullard, dullhead, dumbbell, dummkopf, dummy, emotionally unstable personality, energumen, escapist, fanatic, flake, fou, golem, half-wit, hostile personality, hypochondriac, hypochondriast, ignoramus, imaginary invalid, imbecile, immature personality, inadequate personality, inferior personality, jackass, jerk, jester, juggins, kook, loon, loony, lunatic, madman, malade imaginaire, maladjusted personality, maniac, mentally defective personality, meshuggenah, mongoloid idiot, moral insanity, moron, motley, multiple personality, natural, natural idiot, natural-born fool, neuropath, neurotic, neurotic personality, nincompoop, ninny, noncompos, nut, paranoid personality, perverse personality, phrenetic, psychoneurotic, psychopath, psychopathic personality, psychotic, psychotic personality, raving lunatic, schizoid, schizoid personality, screwball, seclusive personality, sexual psychopath, shut-in personality, simp, simpleton, sociopath, split personality, stupid, tomfool, valetudinarian, valetudinary, weak personality, weirdo, zany
ROGET THESAURUS
Idiot
Absence or want of Intellect
N
absence of Intellect, want of intellect, imbecility brutality, brute force, instinct, brute instinct, stimulus-response loop, conditioned response, instinctive reaction, Pavlovian response, mimicry, aping (imitation), moron, imbecile, idiot, fool, dumb animal, vegetable, brain dead, Adj, unendowed with reason, void of reason, thoughtless, vegetative, moronic, idiotic, brainless, Adv, instinctively, like Pavlov's dog, vegetatively, unendowed with reason, void of reason, thoughtless, vegetative, moronic, idiotic, brainless, instinctively, like Pavlov's dog, vegetatively, V, mimic, ape (imitate), respond instinctively.
Ignoramus
N
ignoramus, dunce, wooden spoon, no scholar, (imbecility) 499 (folly) 501 moron, imbecile, idiot, fool, jerk, nincompoop, asshole, dilettante, sciolist, smatterer, dabbler, half scholar, charlatan, wiseacre, greenhorn, amateur, novice, tyro, numskull, lubber, fool, pedant, bookless, shallow, ignorant, a wit with dunces and a dunce with wits.
Fool
N
fool, idiot, tomfool, wiseacre, simpleton, witling, dizzard, donkey, ass, ninny, ninnyhammer, chowderhead, chucklehead, dolt, booby, Tom Noddy, looby, hoddy-doddy, noddy, nonny, noodle, nizy, owl, goose, goosecap, imbecile, gaby, radoteur, nincompoop, badaud, zany, trifler, babbler, pretty fellow, natural, niais, child, baby, infant, innocent, milksop, sop, oaf, lout, loon, lown, dullard, doodle, calf, colt, buzzard, block, put, stick, stock, numps, tony, bull head, dunderhead, addlehead, blockhead, dullhead, loggerhead, jolthead, jolterhead, beetlehead, beetlebrain, grosshead, muttonhead, noodlehead, giddyhead, numbskull, thickskull, lackbrain, shallowbrain, dimwit, halfwit, lackwit, dunderpate, lunkhead sawney, gowk, clod, clod-hopper, clod-poll, clot-poll, clot-pate, bull calf, gawk, Gothamite, lummox, rube, men of Boeotia, wise men of Gotham, un sot a triple etage, sot, jobbernowl, changeling, mooncalf, gobemouche, dotard, driveler, old fogey, old woman, crock, crone, grandmother, cotquean, henhussy, incompetent (insanity), greenhorn, dunce, lubber, madman, one who will not set the Thames on fire, one who did not invent gunpowder, qui n'a pas invente' la poudre, no conjuror, fortuna favet fatuis, les fous font les festinas et les sages les mangen, nomina stultorum parietibus harrent, stultorum plena sunt omnia.
Madman
N
madman, lunatic, maniac, bedlamite, candidate for Bedlam, raver, madcap, crazy, energumen, automaniac, monomaniac, dipsomaniac, kleptomaniac, hypochondriac (low spirits), crank, Tom o'Bedlam, dreamer, rhapsodist, seer, highflier, enthusiast, fanatic, fanatico, exalte, knight errant, Don Quixote, idiot.