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[loo-nee] /ˈlu ni/
adjective, lunier, luniest, noun, plural lunies.
loony1 .


or looney, luny

[loo-nee] /ˈlu ni/ Informal.
adjective, loonier, looniest.
lunatic; insane.
extremely or senselessly foolish.
noun, plural loonies.
a lunatic.
Origin of loony1
First recorded in 1860-65; lun(atic) + -y2
Related forms
looniness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for luny
Historical Examples
  • "I ain't surprised at anything from that luny," said another voice.

    A Son of Hagar

    Sir Hall Caine
  • I thought more'n as likely as not I had got a luny on my hands for the rest of my days.

  • Moral: People who expect to be luny will find it safer to travel in a Bunch.

    Fables in Slang George Ade
  • Even then you talked of her only when the knock on your head sent you luny.

    For the Soul of Rafael Marah Ellis Ryan
  • Mother says I was luny most of the time after they struck in.

    The Story Girl Lucy Maud Montgomery
  • Marthy, I don't want it to get out, but you're a plum' luny sentimental old maid fool!

    The Faith Healer William Vaughn Moody
  • Then, à propos of marriages, she grew confidential and almost tearful about their distresses in the case of their daughter "luny."

British Dictionary definitions for luny


adjective loonier, looniest, lunier, luniest
lunatic; insane
foolish or ridiculous
noun (pl) loonies, looneys, lunies
a foolish or insane person
Derived Forms
looniness, luniness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for luny



also loonie, looney, 1853, American English, short for lunatic, but also influenced by loon (n.2) and perhaps loon (n.1), the bird being noted for its wild cry and method of escaping from danger. As a noun by 1884, from the adjective. Slang loony bin "insane asylum" is from 1919. Looney left in reference to holders of political views felt to be left-wing in the extreme is from 1977. Looney Tunes, Warner Bros. studios' animated cartoon series, dates from 1930.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for luny



Crazy; nutty: You looney punk/ ''I think, sir, he's a little luny,'' replied Ginger Nut, with a grin (1853+)


(also loon or loonball): the inspired looney who hated killing/ would have shown up in a Mel Brooks epic had that loonball thought of it first (1884+)

[probably fr both lunatic and crazy as a loon (found by 1845)]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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