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Synonyms

nutcase

American  
[nuht-keys] / ˈnʌtˌkeɪs /
Or nut case

noun

Slang.
  1. a crazy or eccentric person; nutjob; nut.


nutcase British  
/ ˈnʌtˌkeɪs /

noun

  1. slang an insane or very 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 nutcase

First recorded in 1955–60; nut ( def. ) + case 1 ( def. )

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.

One told call handlers: "He's a nutcase, from what I gather."

From BBC • Jun. 13, 2023

On Wednesday multiple news outlets revealed the purported headliner of "Borat Subsequent Moviefilm" to be none other than Rudy Giuliani, President Donald Trump's trusted lawyer and cable news's favorite nutcase.

From Salon • Oct. 23, 2020

In an interview with the Hill this week, she said, “People are so invested in creating this false narrative about me as the ‘crystal lady,’ ‘wacky new-age nutcase.’

From Slate • Jul. 31, 2019

And they presented their theory after literally hundreds of books had been written about different nutcase theories, and people understandably said, “Well, here’s another one.”

From The New Yorker • Jun. 24, 2016

“Well, I don't know about the boyfriend. She had a brother. He was a first-rate nutcase, actually. He was into spelling bees. Went to Nationals, I think.”

From "An Abundance of Katherines" by John Green