NUTCASE Synonyms: 114 Similar and Opposite Words

nutcase

noun

ˈnət-ˌkās

Definition of nutcase

as in eccentric

a person of odd or whimsical habits around the condo complex she's known as the nutcase who consistently ignores the rules

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Antonyms & Near Antonyms

as in lunatic

a person who lacks good sense or judgment only a nutcase would try to accelerate a campfire by dousing it with gasoline

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of nutcase 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

Recent Examples of Synonyms for nutcase

Noun

With its loose ends and digressions, Dream Me a Dream stays true to those idiosyncratic instincts while retaining enough of the welcoming glow of Dance of Love to make this an affecting farewell from an endearing eccentric.

— Stephen Thomas Erlewine, Pitchfork, 22 June 2026
The eccentric cuz is quick to try and help Bobby solve problems, which often gets him into trouble, but ultimately pushes him out of his shell.

— Skyler Trepel, Entertainment Weekly, 20 June 2026

Definition of eccentric

Noun

While sane Americans were celebrating the MLB All-Star Game in Philadelphia on Tuesday night, the lunatics in Portland, Oregon were cheering along as two men made out on a baseball field during a 'Heated Rivalry' theme night.

— Joe Kinsey OutKick, FOXNews.com, 15 July 2026
As a Spurs fan, I was particularly invested in Campbell in an England shirt and recall charging around the living room like a lunatic before the reality that it had been chalked off hit home.

— The Athletic UK Staff, New York Times, 18 June 2026

Definition of lunatic

Noun

The character at its center is Bret Easton Ellis — played here by Igby Rigney, who does look eerily like the author’s high-school yearbook photo — and the book and series are largely inspired by Ellis’s real-life senior year at the Buckley School.

— Louis Peitzman, Vulture, 6 Aug. 2026
The show has new characters and a fresh storyline for Los Angeles.

— Hunter Sowards, CBS News, 6 Aug. 2026

Definition of character

Noun

There was simply no reason to try to match that; and Bogaerts would have been a fool not to accept it.

— Dan Freedman, Forbes.com, 1 Aug. 2026
And coming back with a movie that has anywhere near the impact of No Way Home’s untoppable uniting of Tobey Maguire, Andrew Garfield and Holland would seem a fool’s errand.

— Pete Hammond, Deadline, 28 July 2026

Definition of fool

Noun

People who see ghosts tend to see the same ghost wafting down the same staircase, but none of the characters populating Leo’s wacko hallucinations have returned for a repeat perfor-mance.

— Literary Hub, Literary Hub, 10 Apr. 2026
This wacko crew was one of the greatest things in the history of television.

— Jordan Hoffman, EW.com, 14 Aug. 2025

Definition of wacko

Noun

Unbeknownst to the visitors, there’s an unhappy fifth party already in the house… and more than one homicidal maniac even within that small populace.

— Dennis Harvey, Variety, 28 July 2026
The odd thing about this choice is that, although the DSA’s platform is indeed chock-full of maniacal proposals, on this particular idea, the maniacs have a point.

— Jonathan Chait, The Atlantic, 22 July 2026

Definition of maniac

Noun

Whit’s Frozen Custard is known for its flavor of the day calendar, with rich custards running the decadent range from fluffer nutter cookie, carrot cake, and mint cookies ‘n cream to Biscoff cookie butter and banana nut bread.

— Terry Ward, Travel + Leisure, 9 May 2026
Lloyd Hansen is his exit strategy, and this nutter will stop at nothing to snuff Six and steal the drive.

— Peter Debruge, Variety, 14 July 2022

Definition of nutter

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“Nutcase.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nutcase. Accessed 8 Aug. 2026.

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Synonyms of nutcase

noun

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