: one whose ideas or actions are eccentric, fantastic, or insane : screwball
Synonyms of kook
Examples of kook in a Sentence
a bunch of kooks dressed up in weird costumes
if you insist on painting your house bright orange, everyone will assume you are a kook
Recent Examples on the Web
O’Hara worked consistently across her 50-year career in both film and television, best known for playing beloved kooks and amiable wackos, though her range was boundless.
—
Fran Hoepfner, Vulture, 30 Jan. 2026
Prizes will be available for participants in the categories of individual kook and group costume, judged by a panel composed of race partner Cardiff 101 Mainstreet.
—Karen Billing, San Diego Union-Tribune, 18 Jan. 2026
What so many of these talking heads have in common—legitimate experts, well-meaning journalists, and kooks alike—is how costly their recommendations are.
—CBS News, 3 Jan. 2026
The kooks of that age believed that Iran-Contra was only just an inkling of the secret government behind the scenes that was preparing to herd Americans into prison camps.
—Chris Stirewalt, The Hill, 7 Oct. 2025
See All Example Sentences for kook
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Fran Hoepfner, Vulture, 30 Jan. 2026
Prizes will be available for participants in the categories of individual kook and group costume, judged by a panel composed of race partner Cardiff 101 Mainstreet.
—Karen Billing, San Diego Union-Tribune, 18 Jan. 2026
What so many of these talking heads have in common—legitimate experts, well-meaning journalists, and kooks alike—is how costly their recommendations are.
—CBS News, 3 Jan. 2026
The kooks of that age believed that Iran-Contra was only just an inkling of the secret government behind the scenes that was preparing to herd Americans into prison camps.
—Chris Stirewalt, The Hill, 7 Oct. 2025
See All Example Sentences for kook
Cite this Entry
“Kook.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kook. Accessed 8 Feb. 2026.
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