[ loo-nee ]
/ ˈlu ni /

adjective, loon·i·er, loon·i·est, noun, plural loon·eys, loon·ies.

Definition for loonies (2 of 4)

[ loo-nee ]
/ ˈlu ni /


Canadian Informal. a dollar coin.
Also loony.

Origin of loonie

from the image of a loon on the reverse

Definition for loonies (3 of 4)


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


loon·i·ness, noun

Definition for loonies (4 of 4)

[ loo-nee ]
/ ˈlu ni /

noun, plural loon·ies.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for loonies

  • And even if that did succeed, if the loonies want to replace Boehner with someone to his right, they need, again, 217 votes.

    The Shutdown and Boehner’s Future|Michael Tomasky|October 1, 2013|DAILY BEAST
  • At first, they were dismissed as a Postal Service problem, as if loonies had suddenly been recruited to work there.

    Going Postal|Mark Ames|November 7, 2009|DAILY BEAST
  • Today a new generation of loonies has taken over the asylum.

    The Year in Palin|The Daily Beast|August 28, 2009|DAILY BEAST
  • I say, Reggie, old thing—present company excepted—have there been any loonies in your family?

    Indiscretions of Archie|P. G. Wodehouse

British Dictionary definitions for loonies (1 of 2)

/ (ˈluːnɪ) /


Canadian slang
  1. a Canadian dollar coin with a loon bird on one of its faces
  2. the Canadian currency

British Dictionary definitions for loonies (2 of 2)


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 forms of loony

looniness 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