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
Dark loony New York comedy, but still.
—
Bill Goodykoontz, AZCentral.com, 27 Aug. 2025
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
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
Advertisement Here are six movies that advanced the genre in 2024:
(Uncredited / Associated Press)
‘Longlegs’
Osgood Perkins wrote and directed this waking nightmare about Maika Monroe’s psychic FBI agent on the trail of ... if not quite a serial killer, the looniest murder influencer ever.
—Bob Strauss, Los Angeles Times, 3 Dec. 2024
See All Example Sentences for loony
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Bill Goodykoontz, AZCentral.com, 27 Aug. 2025
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
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
Advertisement Here are six movies that advanced the genre in 2024:
(Uncredited / Associated Press)
‘Longlegs’
Osgood Perkins wrote and directed this waking nightmare about Maika Monroe’s psychic FBI agent on the trail of ... if not quite a serial killer, the looniest murder influencer ever.
—Bob Strauss, Los Angeles Times, 3 Dec. 2024
See All Example Sentences for loony
Cite this Entry
“Loony.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loony. Accessed 31 Oct. 2025.
Copy CitationKids 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)
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