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loony

1

or loon·ey

[ loo-nee ]
/ ˈlu ni /
Informal.
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adjective, loon·i·er, loon·i·est.

lunatic; insane.
extremely or senselessly foolish.

noun, plural loon·ies.

a lunatic.

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Sometimes lun·y .

Origin of loony

1
First recorded in 1860–65; lun(atic) + -y2

OTHER WORDS FROM loony

loon·i·ness, noun

Definition for loony (2 of 2)

loony2
[ loo-nee ]
/ ˈlu ni /

noun, plural loon·ies.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for loony

British Dictionary definitions for loony

loony

looney or luny

slang

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
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