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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.

It’s also the latest echo of the kooky craze of adding “.com” to company names back then, which has been repeating with companies racing to add “AI” to their names or tickers.

From The Wall Street Journal • May 19, 2026

And Sam's kooky persona is either going to win people's hearts or crash out spectacularly.

From BBC • May 15, 2026

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 • Dec. 15, 2025

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 • Nov. 24, 2025

Maybe Dadi’s not the only kooky one, eh?

From "From Twinkle, with Love" by Sandhya Menon

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