[ loo-nee ]
/ ˈlu ni /

adjective, lun·i·er, lun·i·est, noun, plural lun·ies.

Nearby words

  1. lunkhead,
  2. lunt,
  3. lunula,
  4. lunular,
  5. lunulate,
  6. lunéville,
  7. luo,
  8. luoravetlan,
  9. luoyang,
  10. lupanar



or loon·ey, lun·y

[ loo-nee ]
/ ˈlu ni /

adjective, loon·i·er, loon·i·est.

lunatic; insane.
extremely or senselessly foolish.

noun, plural loon·ies.

Origin of loony

First recorded in 1860–65; lun(atic) + -y2

Related formsloon·i·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for luny

British Dictionary definitions for luny


looney or luny


adjective loonier, looniest, lunier or luniest

lunatic; insane
foolish or ridiculous

noun plural loonies, looneys or lunies

a foolish or insane person
Derived Formslooniness or 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

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