loo·​ny | \ ˈlü-nē How to pronounce loony (audio) \
variants: or less commonly looney
loonier; looniest

Definition of loony

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Other Words from loony

looniness noun
loony noun, plural loonies

Examples of loony in a Sentence

Every family includes someone who's a little loony. that's got to be the looniest idea I've ever heard
Recent Examples on the Web So why do people believe such loony conspiracy theories? Kim Komando, USA TODAY, "The great 5G coronavirus conspiracy," 20 Apr. 2020 There is a pleasant, loony tension in the earliest episodes of Run, a kind of fizzing combination of excitement and unease. Philippa Snow, The New Republic, "Merritt Wever Is Too Good For Run," 20 Apr. 2020 When a corporate mega-park opens nearby, D.C. and his loony crew of misfits must pull out all the stops to try and save the day. Los Angeles Times, "Movies on TV for Oct. 6-12: ‘Throne of Blood’ and more," 4 Oct. 2019 Michael Keaton’s loony demon dominates what may still be director Tim Burton’s best movie. Chris Kaltenbach, baltimoresun.com, "Things to do in Baltimore this week: Comic-Con, the Baltimore Running Festival, an interactive ‘Rocky Horror’ and more," 13 Oct. 2019 You were elected to represent all of Colorado, not just the loony, lefty, nonsensical opinions of the progressives. Dp Opinion, The Denver Post, "Letters: Yes, let’s look at San Francisco’s minimum wage hike (10/5/19)," 6 Oct. 2019 The first commercial space shuttle sends loony Ted and his former girlfriend on a trip to the moon. Los Angeles Times, "Movies on TV this week Sept. 15, 2019: ‘Alien,’ ‘Aliens’ and more," 13 Sep. 2019 When a corporate mega-park opens nearby, D.C. and his loony crew of misfits must pull out all the stops to try and save the day. Los Angeles Times, "Movies on TV this week Sept. 1 - 7, 2019: John Wayne in ‘The Searchers’ and more," 30 Aug. 2019 This affords the great Cate Blanchett any number of hyper-ventilating, evasion-centric loony scenes, but also leaves the heart of the matter 'til the very end. Todd Mccarthy, The Hollywood Reporter, "'Where'd You Go, Bernadette': Film Review," 15 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loony.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of loony

1872, in the meaning defined above

History and Etymology for loony

by shortening & alteration from lunatic

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Time Traveler for loony

Time Traveler

The first known use of loony was in 1872

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Statistics for loony

Last Updated

17 May 2020

Cite this Entry

“Loony.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loony. Accessed 9 Jul. 2020.

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More Definitions for loony


How to pronounce loony (audio)

English Language Learners Definition of loony

informal : crazy or foolish

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More from Merriam-Webster on loony

Thesaurus: All synonyms and antonyms for loony

Rhyming Dictionary: Words that rhyme with loony

Spanish Central: Translation of loony

Nglish: Translation of loony for Spanish Speakers

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