Loony

Adjective

 * 1)  insane
 * 2)  very silly, absurd

Synonyms

 * See also Thesaurus:insane

Noun

 * 1) An insane or very foolish person

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

Etymology
Shortened from lunatic

Adjective

 * Finnish:


 * Finnish: ,

Noun

 * Finnish:, kahjo, kaheli
 * Irish:


 * Scottish Gaelic:, burraidh