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Definition of kook

kook

/kuːk/
kook
Adverb:kookily
•
Plural:kooks
•
Adjective:kooky
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kook Lexical Profile

kook Game Scores & Validity

• noun

1

North American A person whose ideas or actions are considered eccentric, bizarre, or foolishly irrational.

Example

"The town council dismissed the persistent conspiracy theorist as a harmless local kook."

2

An inexperienced, inept, or disrespectful surfer or skateboarder who lacks awareness of etiquette and technique.

Example

"Experienced surfers stayed near the outer reef to avoid colliding with a kook in the crowded shore break."

Synonyms
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Antonyms
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• Rhymes for kook

• Nearby Words

komodo dragon
kongou falls
konjac
kook
kookaburra
kookiness
kooky

Word Origin & Etymology

Originated in mid-20th-century American slang, likely as a shortened form of 'cuckoo' (meaning foolish or crazy), after the bird of the same name.

Cite this Entry

Wordmom. (2026). Definition of Kook. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/kook
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