variants
or nut case
plural nutcases or nut cases
: a foolish or eccentric person
My mother had been making fun of Grandpa for years, calling him a nut case and his stories exaggerations, if not outright lies.—
Don Wallace
Don Wallace
also, sometimes offensive
: someone who is not mentally sound
Synonyms of nutcase
Examples of nutcase in a Sentence
some nutcase was arrested for running out onto the baseball field while the game was in progress
around the condo complex she's known as the nutcase who consistently ignores the rules
Recent Examples on the Web
Video testimony provided other repudiations of Eastman’s nutcase legal theory.
—
Walter Shapiro,
The New Republic,
17 June 2022
Ma Seok-do (Ma) is still with the Geumcheon Police Major Crimes Unit, arriving to help his fellow officers deal with a knife-wielding nutcase who’s taken hostages at a corner store.
—
Dennis Harvey,
Variety,
3 June 2022
Examples are automatically compiled from online sources to
show current usage.
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Walter Shapiro,
The New Republic,
17 June 2022
Ma Seok-do (Ma) is still with the Geumcheon Police Major Crimes Unit, arriving to help his fellow officers deal with a knife-wielding nutcase who’s taken hostages at a corner store.
—
Dennis Harvey,
Variety,
3 June 2022
Cite this Entry
“Nutcase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nutcase. Accessed 5 Jul. 2026.
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