Thesaurus
cuckoo
Synonyms and Antonyms of cuckoo
1
having or showing a very abnormal or sick state of mind
balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, insane, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]
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
amok (or amuck), ape, ballistic, bananas, berserk, nuclear
distracted, distraught, frantic, frenzied, haywire, hysterical (also hysteric), raving, wigged-out
around the bend, off one's gourd, off one's head, off oneʼs rocker, out of oneʼs head (or mind), out to lunch [slang]
2
showing or marked by a lack of good sense or judgment
absurd, asinine, balmy, brainless, bubbleheaded, cockeyed, crackpot, crazy, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, foolish, half-baked, half-witted, harebrained, 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, zany
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
out to lunch
cuckoo
Synonyms and Antonyms of cuckoo
1
a person who lacks good sense or judgment
berk [British], booby, charlie (also charley) [British], ding-a-ling, ding-dong, dingbat, dipstick, doofus [slang], featherhead, fool, git [British], goose, half-wit, jackass, lunatic, mooncalf, nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, nut, nutcase, simp, simpleton, turkey, yo-yo
airhead, birdbrain, blockhead, dodo, dolt, donkey, dope, dork [slang], dumbbell, dummy, dunce, fathead, gander, goon, half-wit, idiot, ignoramus, imbecile, know-nothing, knucklehead, moron, numskull (or numbskull), pinhead, schlub (also shlub) [slang], schlump [slang], schnook [slang], stock
butt, dupe, laughingstock, mockery, monkey
chump, loser, schlemiel (also shlemiel)
character, codger, crackbrain, crackpot, crank, kook, oddball, screwball, weirdo
2
a silly flighty person
Learn More about cuckoo
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See words that rhyme with cuckoo Dictionary: Definition of cuckoo Spanish Central: Translation of cuckoo Nglish: Translation of cuckoo for Spanish speakers Britannica.com: Encyclopedia article about cuckoo
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