loony

I
(New American Roget's College Thesaurus)
adj., informal, crazy, wacky (see insanity).
- loony bin
II
(Roget's 3 Superthesaurus) a.
Sl. crazy, nutty, demented, lunatic, *daffy, *cuckoo, *wacky, mad, daft, foolish, stupid, *out of one's gourd, irrational.
ANT.: sane, rational, sober
III
(Roget's Thesaurus II) I (or looney) also luny adjective 1. Informal. So senseless as to be laughable: absurd, foolish, harebrained, idiotic, imbecilic, insane, lunatic, mad, moronic, nonsensical, preposterous, silly, softheaded, tomfool, unearthly, zany. Informal: cockeyed, crazy, loopy. Slang: balmy2, dippy, dopey, jerky, sappy, wacky. See ABILITY, KNOWLEDGE. 2. Informal Afflicted with or exhibiting irrationality and mental unsoundness: brainsick, crazy, daft, demented, disordered, distraught, dotty, insane, lunatic, mad, maniac, maniacal, mentally ill, moonstruck, off, touched, unbalanced, unsound, wrong. Informal: bonkers, cracked, daffy, gaga. Slang: bananas, batty, buggy, cuckoo, fruity, loco, nuts, nutty, screwy, wacky. Chiefly British: crackers. Law: non compos mentis. Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off (or out of) one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad. See SANE. II (or looney) also luny noun Informal. A person regarded as strange, eccentric, or crazy: crackpot, crazy, eccentric, lunatic. Informal: crank, loon. Slang: cuckoo, ding-a-ling, dingbat, kook, nut, screwball, weirdie, weirdo. See WISE.

English dictionary for students. 2013.

Look at other dictionaries:

  • loony — loon y (l[=oo]n [y^]), a. [Shortened fr. lunatic.] 1. Crazy; insane; lunatic; mentally unsound. [Low, U.S.] [Written also {loony}, {luny} and {looney}.] See {Luny}. [1913 Webster] 2. Very foolish; very impractical; as, loony ideas. [PJC] …   The Collaborative International Dictionary of English

  • loony — (l[=oo]n [y^]) n. someone mentally deranged and possibly dangerous. Syn: crazy, looney, weirdo, psycho. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • loony — (adj.) also loonie, looney, 1853, Amer.Eng., short for LUNATIC (Cf. lunatic), but also influenced by LOON (Cf. loon) (2) and perhaps LOON (Cf. loon) (1), the bird being noted for its wild cry and method of escaping from danger. As a noun by 1884 …   Etymology dictionary

  • loony — n. pl. looneys [lo͞o′nē] Slang adj. loonier, looniest [< LUNATIC] crazy; demented n. loonies a loony person: Also looney n. looneys …   English World dictionary

  • loony — [adj] crazy ape, barmy, batty, berserk, bonkers*, cracked, crazed, cuckoo, daffy*, daft, delirious, demented, deranged, flaky, flipped out*, insane, kooky, lunatic, mad, maniacal, mental*, nuts, nutty, out of one’s mind*, out to lunch*, psycho*,… …   New thesaurus

  • loony — informal ► NOUN (pl. loonies) ▪ a mad or silly person. ► ADJECTIVE (loonier, looniest) ▪ mad or silly. DERIVATIVES looniness noun. ORIGIN abbreviation of …   English terms dictionary

  • loony — [[t]lu͟ːni[/t]] loonies, loonier, looniest 1) ADJ GRADED (disapproval) If you describe someone s behaviour or ideas as loony, you mean that they seem mad, strange, or eccentric. [INFORMAL] What s she up to? She s as loony as her brother! ...loony …   English dictionary

  • loony — I UK [ˈluːnɪ] / US [ˈlunɪ] noun [countable] Word forms loony : singular loony plural loonies informal an insulting word for someone who you think is crazy or strange II UK [ˈluːnɪ] / US [ˈlunɪ] adjective Word forms loony : adjective loony… …   English dictionary

  • loony — loon|y1 [ˈlu:ni] n plural loonies [Date: 1800 1900; Origin: lunatic] informal someone who is crazy or strange ▪ Her brother s a complete loony. loony 2 loony2 adj informal silly, crazy, or strange ▪ a loony idea …   Dictionary of contemporary English

  • loony — noun (C) informal someone who is crazy or strange: Her brother s a complete loony. loony adjective: loony ideas …   Longman dictionary of contemporary English

  • loony — /ˈluni / (say loohnee) Colloquial –adjective (loonier, looniest) 1. insane; crazy. 2. extremely or senselessly foolish. 3. extremist in opinion or belief: the loony left; the loony wing of climate change alarmism. –noun (plural loonies) 4. a… …   Australian English dictionary

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