loony

adjective

loo·​ny ˈlü-nē How to pronounce loony (audio)
variants or less commonly looney
loonier; looniest
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Army secretary, acting on the guidance of a loony Trump acolyte, revoked the teaching appointment of — anyone will tell you — one of America’s most skilled nonpartisan cyberwarriors, herself a graduate of West Point. Thomas L. Friedman, Mercury News, 7 Aug. 2025 Love Songs holds the hallmarks of an era of heterodox rap-hook writers, deep YouTube exploration, and DIY mash-ups and blends, but the loonier flips restore the ’89 feeling of wondering whether an exciting piece of collagework will one day be sued out of existence. Craig Jenkins, Vulture, 3 Dec. 2024 One of our region's most famous comics, Michael Hawthorne, built a career from illustrating the loony loudmouth. Isaac Avilucea, Axios, 18 Oct. 2024 As an impressionist, Carvey's style was more, well, impressionist — his gabbling, discursive George H.W. Bush spinning out further and further while remaining resolutely tethered to some measure of loony reality (taking a similar approach for his recent recurring stint as President Joe Biden). Dennis Perkins, EW.com, 16 Feb. 2025 See All Example Sentences for loony

Word History

Etymology

by shortening & alteration from lunatic

First Known Use

1841, in the meaning defined above

Time Traveler
The first known use of loony was in 1841

Browse Nearby Words

Cite this Entry

“Loony.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loony. Accessed 22 Aug. 2025.

Kids Definition

loony

adjective
loo·​ny
variants also looney
loonier; looniest
: very foolish or eccentric
looniness noun
loony noun
Etymology

an altered form of lunatic (adjective)

More from Merriam-Webster on loony

Last Updated: - Updated example sentences
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