Adjacent Words

loony definitions

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WordNet (r) 3.0 (2005)

adj
1: informal or slang terms for mentally irregular; "it used to drive my husband balmy" [syn: balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky] n
1: someone deranged and possibly dangerous [syn: crazy, loony, looney, nutcase, weirdo]

Merriam Webster's

also looney adjective (loonier; -est) Etymology: by shortening & alteration from lunatic Date: 1872 crazy, foolish • looniness noun • loony noun

Oxford Reference Dictionary

n. & adj. sl. --n. (pl. -ies) a mad or silly person; a lunatic. --adj. (loonier, looniest) crazy, silly. Phrases and idioms: loony-bin sl. a mental home or hospital. Derivatives: looniness n. Etymology: abbr. of LUNATIC

Webster's 1913 Dictionary

Loony Loon"y, a. See Luny.

Webster's 1913 Dictionary

Luny Lu"ny, a. [Shortened fr. lunatic.] Crazy; mentally unsound. [Written also loony.] [Law, U.S.]

Collin's Cobuild Dictionary

(loonies, loonier, looniest) 1. If you describe someone's behaviour or ideas as loony, you mean that they seem mad, strange, or eccentric. Some people consider this use offensive. (INFORMAL) What's she up to? She's as loony as her brother! ADJ [disapproval] 2. If you refer to someone as a loony, you mean that they behave in a way that seems mad, strange, or eccentric. Some people consider this use offensive. (INFORMAL) At first they all thought I was a loony. N-COUNT [disapproval]

Moby Thesaurus

absurd, apish, asinine, balmy, bananas, barmy, bats, batty, beany, bedlamite, befooled, beguiled, besotted, bonkers, brainless, buffoonish, buggy, bughouse, bugs, cockeyed, crackers, crazy, credulous, cuckoo, daffy, daft, dazed, dement, dippy, dizzy, doting, dotty, dumb, fatuitous, fatuous, flaky, flipped, fond, fool, foolheaded, foolish, freaked-out, fruitcakey, fruity, fuddled, futile, gaga, goofy, gulled, harebrained, haywire, idiotic, imbecile, inane, inept, infatuated, insane, just plain nuts, kooky, loon, loopy, mad, madman, maniac, maudlin, moronic, non compos, nut, nuts, nutty, off the hinges, off the track, off the wall, potty, preposterous, round the bend, sappy, screwball, screwballs, screwy, senseless, sentimental, silly, slaphappy, stupid, thoughtless, wacky, wet, witless