Dictionary

kook

noun \ˈkük\

: a person whose ideas or actions are very strange or foolish

Full Definition of KOOK

: one whose ideas or actions are eccentric, fantastic, or insane : screwball

See kook defined for English-language learners

See kook defined for kids

by shortening & alteration from cuckoo

First Known Use: 1960

Synonyms: character, codger, crack, crackbrain, crackpot, crank, flake, fruitcake, head case, eccentric, nut, nutcase, nutter [British slang], oddball, oddity, original, quiz, screwball, weirdo, zany

KOOK Defined for Kids

noun \ˈkük\

: a person who acts in a strange or insane way

— kooky \ˈkü-kē\ adjective

Next Word in the Dictionary: kookaburraPrevious Word in the Dictionary: koofahAll Words Near: kook

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