Synonyms for Crazy:absurd (adjective)
absurd, anachronistic, bizarre, contradictory, eccentric, fallacious, farcical, foolish, idiotic, illogical, implausible, impossible, inane, incongruous, inconsistent, invalid, irrational, ludicrous, meaningless, nonsensical, outlandish, paradoxical, preposterous, ridiculous, self-contradictory, senseless, silly.foolish (adjective)
asinine, blithering, blockheaded, bone-headed, brainless, chuckle-headed, crackpot, cretinous, dim-witted, doltish, dopey, dotty, dumb, goofy, half-witted, ignorant, imbecilic, knuckle-headed, lame-brained, loony, meat-headed, moronic, nitwit.insane (adjective)
babbling, batty, berserk, brain-sick, crack-brained, delirious, demented, deranged, feverish, frenzied, hysterical, insane, kooky, lunatic, mad, maniacal, neurotic, nutty, psycho, psychotic, schizoid, unbalanced.lunatic (adjective)
aberrant, abnormal, anomalous, atypical, crosspatch, curious, deviant, different, divergent, erratic, exceptional, extraordinary, fey, freakish, funny, idiosyncratic, improper, incompatible, irregular, misfit, mismatch, nonconforming, novel, odd, oddball, oddity, off, out of the ordinary, peculiar, quirky, singular, strange, un-ordinary, uncommon, unconventional, uncustomary, unfamiliar, unique, untypical, unusual.ridiculous (adjective)
Beside, Daedal, Daffy, Dilly, GONZO, Gulled, Queerish, WUD, Weak-minded, ability, addle-brained, addle-pated, adj, aggravate, agitated, agitatedly, agog, aliene, all possessed, alter, amazing, amusing, anamorphous, angry, annoy, anserine, antsy, anxious, ape, apish, apparition, ardent, ardently love, around the bend, arouse, arrested, askew, aslant, astonishing, astounding, asymmetric, asymmetrical, at wits' end, athirst, atilt, attocerebral, automaniac, avid, awful, backward, balmy, balmy orbarmy, bananas, barbarian, barbaric, barmy, baseless, bats, bats in the belfry, be keen on, become insane, bedlam, bedlamite, befooled, beguiled, bemused, bending, bent, bereft of reason, beserk, beside oneself, besot, besotted, beyond all reason, beyond belief, bicolor, bicolored, big, bird-brained, bizarro, blind, blissful, boneheaded, bonkers, bootless, bowed, brainsick, breathtaking, broke, broken, bubbleheaded, buffoonish, buggy, bughouse, bugs, burbling, cacodemonic, candidate for bedlam, careless, certifiable, childish, clownish, cock-a-hoop, cock-eyed, cockamamie, cockamamy, cockeyed, colorful, colory, comic, concern, concernedly, confused, contorted, corkscrew, crackbrained, cracked, crackers, cranky, crazed, crazily, crazy as a loon, credulous, creep, cretinistic, crooked, cruel, crumpled, crunched, cuckoo, curled, curling, curved, curving, curvy, daft, damn-fool, damned, dazed, dead, decrepit, deliriously, deluded, dementedly, demoniac, demonic, depressed, deprived of reason, derange, derisory, desert, desirous, desperately, deviate, deviative, devilish, devious, devoted, diabolic, dichromatic, dim, ding-a-ling, dingbat, dingy, dippy, dipsomaniac, disgusted, disgustedly, disordered, disoriented, disquieted, distorted, distracted, distractedly, distrait, distraught, distressed, disturbed, dithering, ditzy, divers-colored, dizzy, do one's nuts, doddering, doddery, doolally, dopy, doting, dottily, doubtful, dreadful, driveling, droll, drooling, dull, dull-witted, eager, eccentrically, ecstatic, ecstatically, elicit, empty-headed, enamored, energumen, enrage, enthused, enthusiast, enthusiastic, esoteric, esp.sick, evil, exasperate, excellent, excessively, excited, exorbitant, exotic, extravagant, extravagantly, extreme, fabulous, facetious, fanatic, fanatical, fanatically, fanciful, fantabulous, fantastic, fantastical, fantastically, far-fetched, far-out, fatuitous, fatuous, faulty, feather-brained, feather-headed, featherheaded, feeble-minded, feeling nausea, fervent, fervid, fishy, flagitious, flaked-out, flaky, flighty, flip one's bush, flip one's lid, flip one's wig, flip out, flipped, fond, fool, foolhardily, foolhardy, foolheaded, foolishly, frantic, frantically, freak, freaky, frenetic, frenziedly, frenzy, frivolous, frolicsome, fruitcake, fruity, fuddled, funky, furious, futile, gaga, geeked, gesticulate, get backwards, ghastly, glorious, go bonkers, go crazy, go daft, go mad, godforsaken, gooselike, goosey, goosy, gormless, great, greedy, grim, grisly, groovy, groundless, gruesome, half-baked, halfwitted, hallucinated, hare-brained, harebrained, harlequin, hasty, have nobody home, haywire, hazardous, headcase, heedless, heinous, hellish, high-flown, hilarious, hooked, hopped-up, hot, huffy, humorous, hungry, hypochondriac, hysterically, idiot, idiotically, idle, ill, ill-advised, ill-conceived, ill-considered, ill-judged, illy, imbalanced, imbecile, immature, impaired, impatient, impetuous, impish, impracticable, impractical, improbable, improvident, imprudent, impulsive, in love, inadvisable, inappropriate, incautious, incoherent, inconceivable, indiscreet, inept, inexpedient, inexplicable, infatuated, infernal, infirm, infuriate, iniquitous, injudicious, insanely, insensate, insufficiently cooked, irresponsible, irritate, jerky, jocose, jocular, juiced, juvenile, kaleidoscopic, keen, keen about, keen on, kindle, kinky, kleptomaniac, knowledge, kookie, labyrinthine, lame, larruping, lavishly, lawful, light-headed, lightly built, listing, loco, loon, looney, loopy, lop-sided, lopsided, lose one's faculties, lose one's marbles, lose one's reason, lose one's senses, lose one's wits, loving, low spirits, lunkheaded, luny, macabre, mad as a March hare, mad as a hatter, mad-brained, madcap, madden, maddened, maddening, madding, madly, madnes, madness, madwoman, magical, main, maladjusted, maleficent, malevolent, malign, malignant, manic, many-colored, marvellous, marvy, maudlin, maundering, mazed, medley, mental, mentally defective, mentally deficient, mentally deranged, mentally handicapped, mentally ill, mephistophelian, merry, meshuga, meshugga, meshuggah, meshugge, meshuggeneh, meshuggener, messed-up, mind, mind-boggling, mindless, miraculous, mirthful, mischievous, mongoloid, monomaniac, monstrous, moon-struck, moonstruck, motley, muddle-headed, multicolor, multicolored, multicolorous, multicoloured, myopic, naughty, nauseated, nauseous, nauseously, nervous, non compos, non compos mentis, nonsymmetric, not all there, not right, not right upstairs, novelty, numbskulled, numskulled, nutcase, nutjob, nuts, nutter, nutty as a fruitcake, nutty as fruitcake, oblique, obtuse, of unsound mind, off one's head, off one's chump, off one's head, off one's rocker, off one's trolley, off rocker, off the rails, off-kilter, off-the-wall, offbeat, one-sided, out of all reason, out of head, out of it, out of one's mind, out of one's tree, out to lunch, out-of-the-way, outre, over-the-top, overexcited, overwrought, pale, pallid, palsied, paranoiac, paranoid, parti-color, parti-colored, passionate, pea-brained, perturbed, perverse, perversion, phantom, phenomenal, phrenzied, pinheaded, pitched, playful, pointless, polychromatic, polychrome, polychromic, poppycockish, possessed, potty, prankish, preternatural, prismal, prismatic, provoke, psychedelic, psychoneurotic, psychopathic, psychotically, puerile, pumped, purposeless, quaint, queasily, queasy, questionable, quixotic, rabid, radical, raging, rambling, rampage, ranting, raring, rash, rattle-brained, raver, raving, reasonless, reckless, remarkable, remote, reversal, ridiculously, risible, risky, round the bend, round the twist, rum, rummy, run amok, run amuck, run mad, sadly, sane, sappy, satanic, savage, savagely, scatterbrained, scatty, schizo, schizophrenic, schmuck, screwball, screwed up, screwy, sediment starved, senile, sensational, sentimental, serpentine, shaken, shaky, shatter brained, shattered, shatterpated, short-sighted, shot, shot through, sick, sick in the head, sickie, sickish, sickly, sicko, side-splitting, simple, simple-minded, simpleminded, simpletonian, sinful, sinister, sinuous, skewed, slanted, slanting, slantwise, slapstick, slobbering, slow-witted, smashing, smitten, soft, soft on, softheaded, solicitous, sophomoric, sore, spaced-out, spacy, spectacular, spectral, spirit, splendid, sportive, sprung, squeamishly, stark raving mad, stark-mad, stark-staring mad, stoked, stolid, stranger, stricken, subnormal, super, superb, superhuman, supernatural, surprising, taken with, tempestuous, terrific, tetched, thick, thickheaded, thimble-witted, thin person, thirsty, thoughtless, thunder and lightning, tilted, tipping, tomfool, tortuous, totally unsound, touched, trichromatic, trichromic, tricolor, tricolored, troubled, twist, twisted, twisting, two-tone, unable to cope, unbelievable, unbridled, uncivilised, uncivilized, unconsidered, underdone, undiscerning, undiscriminating, undone, unearthly, uneven, unexplainable, unfounded, unglued, unhappily, unhinged, unintelligent, unlikely, unmanageable, unorthodox, unparalleled, unperceiving, unperceptive, unreal, unrealistic, unreasonable, unreflecting, unrestrained, unsane, unsettled, unsound, unstable, unsteadily, unsymmetric, unsymmetrical, untamed, unthinkable, unthinking, unthoughtful, unwarranted, unwise, unwisely, unwitting, unworkable, unzipped, upset, vacant, vacuous, vanish, vapid, varicolored, variegated, versicolor, versicolored, very, vibrate, villainous, violent, voracious, wacko, wacky, waggish, wan, wandering, warm, warped, waste, way out, weak, weaken, weirdie, weirdo, weirdy, wet, whacky, wicked, wig, wild, wildly, winding, windy, wise, withered, witless, witty, wonderful, wondrous, worked up, worried, worriedly, wrong, wrong-headed, zany, zealous.