loony

loo·ny

adjective \ˈlü-nē\

loo·ni·erloo·ni·est

Definition of LOONY

: crazy, foolish

— loo·ni·ness noun

— loony noun

Variants of LOONY

loo·ny also loo·ney \ˈlü-nē\

Examples of LOONY

1. Every family includes someone who's a little loony.
2. <that's got to be the looniest idea I've ever heard>

Origin of LOONY

by shortening & alteration from lunatic

First Known Use: 1872

Related to LOONY

Synonyms

absurd, asinine, balmy, brainless, bubbleheaded, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, half-baked, harebrained, half-witted, inept, insane, jerky, kooky (also kookie), foolish (also looney), lunatic, lunkheaded, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, simpleminded, stupid, tomfool, unwise, wacky (also whacky), weak-minded, witless, zany

Antonyms

judicious, prudent, sagacious, sage, sane, sapient, sensible, sound, wise

Related 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, unreasoned

Near Antonyms

brainy, bright, clever, intelligent, smart; logical, rational, reasonable, valid; well-advised

Rhymes with LOONY

gooney, loonie, Moonie, moony, muni, puisne, puny, spoony, swoony, Zuni