Dictionary.com
Thesaurus.com
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.

See Examples For:

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

Mia is a sweet girl, but her mother is a nutcase.

From Slate Dec. 5, 2019

He’s not doing the wild and crazy, wacky nutcase, he’s doing this kind of Bogart, gumshoe thing.

From The Guardian Dec. 18, 2016

“They think this place was too dead last year. They think if they plant some nutcase in with the students—” “Like they plant narcs in schools!” someone else shouted.

From "Stargirl" by Jerry Spinelli

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training