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nutso

British  
/ ˈnʌtsəʊ /

adjective

  1. informal insane

"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

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.

See Examples For:

I know, I know: college football is always pretty nutso.

From The Wall Street Journal ● Oct. 20, 2025

And I love Owen in “Throw Momma from the Train” because there’s just something so vulnerable and nutso at the same time.

From Washington Post ● Aug. 31, 2022

These fancy and fanciful houses are what can happen when you go nutso with a jigsaw: wooden gingerbread and curlicues and scrollwork and turned balustrades galore.

From Los Angeles Times ● Apr. 13, 2021

And then, she said, “I get to this one that just is nutso looking.”

From New York Times ● Feb. 3, 2021

Pretty nutso sometimes, but you could trust him with your life.

From "The Things They Carried" by Tim O'Brien

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