: 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
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
At the rose ceremony, Mel hands roses to Roxanne, Debbie, Gerri, Monica P., Monica B., Carol, Peg, Nicolle (of course), Robin, Amy and Terri, with Alexandra the kook among those going home.
—Dave Nemetz, TVLine, 24 Sep. 2025
See All Example Sentences for kook
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.
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
At the rose ceremony, Mel hands roses to Roxanne, Debbie, Gerri, Monica P., Monica B., Carol, Peg, Nicolle (of course), Robin, Amy and Terri, with Alexandra the kook among those going home.
—Dave Nemetz, TVLine, 24 Sep. 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 23 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
