Thesaurus
lunatic
Synonyms and Antonyms of lunatic
- He had a lunatic obsession with personal hygiene.
balmy, bats, batty, bedlam, bonkers, brainsick, certifiable, crackbrained, cracked, crackpot, crazed, crazy, cuckoo, daffy, daft, demented, deranged, gaga, insane, kooky (also kookie), loco [slang], loony (also looney), mad, maniacal (also maniac), mental, non compos mentis, nuts, nutty, psychotic, screwy, unbalanced, unhinged, unsound, wacky (also whacky)
dotty, fey, loopy, off, teched (or tetched), touched
aberrant, delirious, delusional, delusionary, disordered, disturbed, neurotic, paranoiac (also paranoic), paranoid (also paranoidal), sociopathic
eccentric, odd, oddball, strange
amok (or amuck), ape, ballistic, bananas, berserk, nuclear
distracted, distraught, frantic, frenzied, haywire, hysterical (also hysteric), raving
around the bend, off one's gourd, off one's head, off one's rocker, out of one's head (or mind)
- Is this another of your lunatic ideas?
absurd, asinine, balmy, brainless, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, foolish, half-baked, half-witted, harebrained, inept, insane, jerky, kooky (also kookie), loony (also looney), lunkheaded, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, simpleminded, stupid, tomfool, unwise, wacky (also whacky), weak-minded, witless, zany
airheaded, birdbrained, brain-dead, chowderheaded, chuckleheaded, clueless, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, feebleminded, 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, unreasonable, unreasoning, unsound, weak
out to lunch
lunatic
Synonyms and Antonyms of lunatic
- He was raving like a lunatic.
crackbrain, crazy, loon, loony, maniac, nut, psycho, psychopath
- No, you can't ski off the roof, you lunatic!
booby, cuckoo, featherhead, fool, goose, half-wit, mooncalf, nincompoop, ninny, ninnyhammer, nitwit, nut, simpleton, turkey, yo-yo
airhead, birdbrain, blockhead, cretin, 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, stock
butt, dupe, laughingstock, mockery, monkey
chump, loser, schlemiel (also shlemiel)
character, codger, crackbrain, crackpot, crank, kook, oddball, screwball, weirdo
Learn More about lunatic
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See words that rhyme with lunatic Dictionary: Definition of lunatic Medical Dictionary: Definition of lunatic Spanish Central: Translation of lunatic Nglish: Translation of lunatic for Spanish speakers Britannica English: Translation of lunatic for Arabic speakers
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