lunatic
Synonyms and Antonyms of lunatic
- he was raving like a lunatic
manic-depressive, monomaniac, mythomaniac, neurotic, obsessive, obsessive-compulsive, paranoid, psychoneurotic, psychotic, schizo, schizoid, schizophrene, schizophrenic, sociopath
character, codger, crack, crackpot, crank, eccentric, fantastic, flake, kook, oddball, oddity, original, quiz, screwball, tyke (also tike) [chiefly British], weirdo, zany
- no, you can't ski off the roof, you lunatic!
berk [British], booby, charlie (also charley) [British], cuckoo, ding-a-ling, ding-dong, dingbat, dipstick, doofus [slang], featherhead, fool, git [British], goose, half-wit, jackass, 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