adjective, moon·i·er, moon·i·est.

dreamy, listless, or silly.
pertaining to or characteristic of the moon.

Origin of moony

First recorded in 1580–90; moon + -y1
Related formsmoon·i·ly, adverbmoon·i·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for moony

Historical Examples of moony

  • The moony spectacles beamed not quite benevolently on the corridor.

    The Dictator

    Justin McCarthy

  • The moony moon was round and bright, It shone and shone and made it light.

  • It was a warm, moony night, and he took a glass of vichy "for looks' sake," as he said.

    Twelve Men

    Theodore Dreiser

  • "Why, I always was moony over you--when we were kids," he said.

  • The Professor looked at her in somewhat puzzled fashion, not through but from beneath the moony spectacles.

    The Dictator

    Justin McCarthy

British Dictionary definitions for moony


adjective moonier or mooniest

informal dreamy or listless
of or like the moon
British slang crazy or foolish
Derived Formsmoonily, adverbmooniness, 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 moony

1580s, "like the moon;" 1848, "dreamy, listless," from moon (n.) + -y (2). Cf. moon (v.).

Online Etymology Dictionary, © 2010 Douglas Harper