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Synonyms

kook

American  
[kook] / kuk /

noun

Slang.
  1. an eccentric, strange, or foolish person.

  2. an insane person.


kook British  
/ kuːk /

noun

  1. informal an eccentric, crazy, or foolish person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kook

First recorded in 1955–60; perhaps alteration of cuckoo

Explanation

A kook is a nut or a weirdo — in other words, an eccentric person. Your favorite aunt might be a bit of a kook, with her crazy hair and wild outfits. The class clown in school is often a kook, saying nutty things in order to get attention, and you may think of the guy in your town who always holds a sign saying, "THE END IS NEAR" as a kook too. The word comes from kooky, "strange," probably stemming from cuckoo, which is a type of bird but also slang for "mad or insane person."

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Vocabulary lists containing kook

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Juxtaposing that with this Indiana Jones character, Theodore, who may be a kook or savior.

From Salon • Oct. 1, 2024

They called her a kook and a mystic.

From Slate • May 10, 2024

"The kook in me recognises the kook in you," she added.

From BBC • May 31, 2023

Now, the Cabinet wife-turned-media darling-turned-accused kook is known as “Martha Mitchell, whistle-blower.”

From Los Angeles Times • Feb. 23, 2023

That dog was probably the only thing that the kook had ever really had in his life.

From "A Confederacy of Dunces" by John Kennedy Toole