Thesaurus

crazy

adjective

Synonyms and Antonyms of crazy

  1. 1 conceived or made without regard for reason or reality <the mansion is a crazy construction of several different styles> Synonyms absurd, bizarre, fantastic, fanciful, foolish, insane, nonsensical, preposterous, unreal, wildRelated Words implausible, inconceivable, incredible, unbelievable, unimaginable, unthinkable; extravagant, grotesque; bizarro, curious, eccentric, far-out, funny, kinky, kooky (also kookie), odd, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, screwy, strange, wacky (also whacky), way-out, weird; farcical, laughable, ludicrous, ridiculous; Alice-in-Wonderland, Kafkaesque, nightmarish; dreamlike, surrealAntonyms realistic, reasonable

  2. 2 having or showing a very abnormal or sick state of mind <a crazy woman who tried to throw her baby out of a window> Synonyms balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, insane, cuckoo, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge also meshugah or meshuggah), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]Related Words dotty, fey, loopy, off, potty [chiefly British], teched (or tetched), touched; aberrant, delirious, delusional, delusionary, disordered, disturbed, neurotic, obsessive-compulsive, paranoiac (also paranoic), paranoid (also paranoidal), schizoid, schizophrenic, sociopathic; eccentric, odd, oddball, pixilated (also pixillated), queer, strange; foolish, senseless, witless; irrational, unreasonable; amok (or amuck), ape, ballistic, bananas, berserk, nuclear; depressed; distracted, distraught, frantic, frenzied, haywire, hysterical (also hysteric), raving, wigged-out; fixated, monomaniac, monomaniacal, obsessedNear Antonyms clear, lucid, rational, reasonable; judicious, sensible, wise; healthy, normal, well-adjusted; unneuroticAntonyms balanced, compos mentis, sane, sound, uncrazy

  3. 3 showing or marked by a lack of good sense or judgment <a crazy plan to climb Mount Everest without proper equipment> Synonyms absurd, asinine, balmy, brainless, bubbleheaded, cockeyed, crackpot, foolish, cuckoo, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, half-baked, harebrained, half-witted, inept, insane, jerky, kooky (also kookie), loony (also looney), lunatic, lunkheaded, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, simpleminded, stupid, tomfool, unwise, wacky (also whacky), weak-minded, witless, zanyRelated Words airheaded, birdbrained, boobish, brain-dead, chowderheaded, chuckleheaded, clueless, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, feebleminded, gormless [chiefly British], idiotic (also idiotical), imbecile (or imbecilic), knuckleheaded, lamebrain (or lamebrained), mindless, moronic, oafish, obtuse, opaque, pinheaded, simple, slow, slow-witted, soft, softheaded, thoughtless, thick, thickheaded, unintelligent, vacuous, witless; fallacious, illogical, invalid, irrational, nonrational, surd, unreasonable, unreasoning, unsound, weak; farcical, laughable, ludicrous, ridiculous; notional; buffoonish, clownish; ill-advised, unconsidered, unreasonedNear Antonyms brainy, bright, clever, intelligent, smart; logical, rational, reasonable, valid; well-advisedAntonyms judicious, prudent, sagacious, sage, sane, sapient, sensible, sound, wise

  4. 4 showing urgent desire or interest <crazy for the latest entertainment news> Synonyms agog, antsy, anxious, ardent, athirst, avid, eager, desirous, enthused, enthusiastic, excited, geeked [slang], great, greedy, gung ho, hepped up, hopped-up, hot, hungry, impatient, juiced, keen, nuts, pumped, raring, solicitous, stoked [slang], thirsty, voracious, wildRelated Words engaged, interested; happy, hung up, obsessed; ambitious, appetent, covetous, craving, hankering, longing, pining; breathless, restive, restless; amenable, disposed, game, glad, inclined, ready, unreluctant, willingNear Antonyms casual, incurious, insouciant, nonchalant, unconcerned, uninterested; aloof, detached, disinterested; impassive, stolid; halfhearted, lackadaisical, languid, languorous, lukewarm, spiritless; averse, disinclined, hesitant, loath (also loth or loathe), reluctant, unwillingAntonyms apathetic, indifferent, uneager, unenthusiastic

  5. 5 different from the ordinary in a way that causes curiosity or suspicion <a downtown musician with crazy notions of what's stylish and what's not> Synonyms bizarre, bizarro, cranky, odd, curious, eccentric, erratic, far-out, funky, funny, kinky, kooky (also kookie), offbeat, off-kilter, off-the-wall, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, remarkable, rum [chiefly British], screwy, spaced-out, strange, wacky (also whacky), way-out, weird, weirdo, wildRelated Words aberrant, abnormal, addlepated, flaky; extraordinary, fantastic (also fantastical), freak, freakish, freaky, phantasmagoric (or phantasmagorical), phenomenal; atypical, rare, singular, uncommon, uncustomary, unique, unusual, unwonted; conspicuous, notable, noticeable, outstanding, prominent, salient, striking; atrocious, outrageous, shocking; crotchety, idiosyncratic, nonconformist, nonmainstream, out-there, unconventional, unorthodox; baffling, bewildering, confounding, mystifying, perplexing, puzzlingNear Antonyms average, commonplace, everyday, garden, normal, ordinary, prosaic, routine, run-of-the-mill, standard, typical, unexceptional, unremarkable, usual, workaday; conformist, conservative, conventional; expected, familiar, knee-jerk, predictable; common, customary, frequent, habitual, regular, wonted

  6. 6 inclined or twisted to one side <surrounded by crazy stacks of books, she began writing her paper> Synonyms askew, aslant, atilt, cock-a-hoop, cockeyed, awry, crooked, listing, lopsided, oblique, off-kilter, pitched, skewed, slanted, slanting, slantwise, tilted, tipping, unevenRelated Words asymmetrical (or asymmetric), unbalanced, unsymmetrical; contorted, disordered, distorted, irregularNear Antonyms ordered, orderly, regular, uniform; balanced, symmetrical (or symmetric)Antonyms even, level, straight

  7. 7 marked by a long series of irregular curves <walked down a crazy path deep in the woods to a secluded swimming hole> Synonyms bending, crooked, curled, curling, curved, curving, curvy, devious, serpentine, sinuous, tortuous, twisted, twisting, winding, windyRelated Words zigzag, zigzagging; circling, coiled, coiling, corkscrew, looping, spiral, spiraling (or spiralling), swirling; circuitous, indirect, roundabout; meandering, rambling, wandering; irregular, jagged, unevenNear Antonyms direct, linearAntonyms straight, straightaway


crazy

noun

Synonyms and Antonyms of crazy

  1. 1 a person judged to be legally or medically insane <one unsympathetic homeowner insisted that all homeless people are crazies> Synonyms bug, crackbrain, lunatic, fool, fruitcake, head case, loon, loony, maniac, nut, nutcase, nutter [British slang], psycho, psychopath, sickie, sicko, wacko (also whacko)Related Words madman, madwoman; abnormal, deviant; manic-depressive, monomaniac, mythomaniac, neurotic, obsessive, obsessive-compulsive, paranoid, psychoneurotic, psychotic, schizo, schizoid, schizophrene, schizophrenic, sociopath; character, codger, crack, crackpot, crank, eccentric, fantastic (also fantastical), flake, kook, oddball, oddity, original, quiz, screwball, tyke (also tike) [chiefly British], weirdo, zany; case, patient

  2. 2 a person who favors rapid and sweeping changes especially in laws and methods of government <beleaguered government officials tried to dismiss the protesters as a bunch of leftist crazies> Synonyms radical, extremist, revolutionary, revolutionistRelated Words young Turk; leftist, lefty, red; progressive, reformer, reformist; anarch, anarchist, subversive; agitator, insurgent, insurrectionist, rebel; secessionist, separationist, separatistNear Antonyms conservative, fuddy-duddy, reactionary, rightist, standpatter, Tory, traditionalistAntonyms middle-of-the-roader, moderate


Learn More about crazy


Seen and Heard

What made you want to look up crazy? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an alert or lookout

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ