Dictionary.com
Thesaurus.com
Synonyms

kooky

American  
[koo-kee] / ˈku ki /
Or kookie

adjective

Slang.
kookier, kookiest

  1. of, like, or pertaining to a kook; eccentric, strange, or foolish.

kooky British  
/ ˈkuːkɪ /

adjective

  1. informal crazy, eccentric, or foolish

"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 kooky

First recorded in 1955–60; kook + -y 1

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.

Her kooky chipmunk moxie lets her get through any script relatively unscathed, including this one.

From Los Angeles Times

At the time it was just another one of his kooky ideas that went nowhere, largely because the people around him were able to give him another shiny object to chase.

From Salon

I’m a little more grounded, a little less kooky, maybe a lot less kooky, but I’m into astrology, I’m into crystals, I’m into energy work, pretty much all the same things.

From The Wall Street Journal

Second, Ms. Behn’s affordability message seems to be trumping the effect of her kookier statements because she is filling a vacuum left by the White House, which remains quiet on an agenda to lower costs.

From The Wall Street Journal

Less than a year after their viral NPR Tiny Desk, the notoriously kooky duo flexed their ability to slip between genres.

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.