Dictionary.com
Thesaurus.com
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

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.

For decades, he tried to wriggle out of that typecasting to play kooks and himbos.

From Los Angeles Times

Yet the individual set pieces were so vivid and funny and weird that the tale became one about Gaga’s embrace of her role as music’s greatest kook.

From Los Angeles Times

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

From Salon

When you paddle out, it’s as though you’ve entered a new world with its own language that might sound like: “Did you see that kook? He snaked me on such a gnarly wave!”

From Los Angeles Times

“Environmentalists in those days were viewed as little old ladies in tennis shoes or nuts or cranks or kooks.”

From Los Angeles Times