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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.

New England—proud, pampered, ring-hoarding New England, the most-decorated franchise in recent NFL history—is but a single victory away from yet another Super Bowl appearance and driving the rest of the league absolutely nutso.

From The Wall Street Journal • Jan. 19, 2026

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

Maybe she’d already done her couple of nutso scenes with Gosling and found investigating cases next to perfectly nice Ben Chaplin as anticlimactic as we do.

From New York Times • Apr. 30, 2020

The point is how fabulously, insanely, nutso a guest can go and still exude cool rather than self-consciousness.

From Washington Post • May 8, 2018

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

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

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