1
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
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
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
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Recent Examples of nutcase
That is enough to prompt scheduling a video chat with a purported demonologist (Laura Heisler) who does not seem a nutcase or charlatan.
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Dennis Harvey, Variety, 10 Aug. 2022
Although My Donkey, My Lover & I (Antoinette dans les Cévennes) was made in 2020, before Libs of TikTok exposed school-teacher lunacy, writer-director Caroline Vignal proves prescient about the eccentricity that goes deeper than the profession’s nutcase radicalism.
—Armond White, National Review, 27 July 2022
Video testimony provided other repudiations of Eastman’s nutcase legal theory.
—Walter Shapiro, The New Republic, 17 June 2022
Recent Examples of Synonyms for nutcase
Noun
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Also, Joan Cusack plays an infamous local eccentric, and a fictional pop star shows up!—
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The logger and railsplitter occasionally encounters American eccentrics, like a chatty drifter prone to sporting bible verses and an old coot of a demolitions expert with a philosophical bent.—
Noun
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The lunatics who attacked the seat of government to try to change the outcome of a free and fair election are not patriots.—
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Now, after Miami’s 34-10 win Sunday at the New York Jets, you are officially allowed to wonder aloud about wild-card playoff chances and be seen only as way optimistic rather than as a raving lunatic.—
Noun
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Gyles Brandreth, broadcaster, former MP and friend to Christopher Robin Milne, opened up about the man behind the character while chatting with Joe Sibilia on Nostalgia Tonight.—
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That idea of shiny surfaces is key to Cathy’s character and costumes.—
Noun
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Do not let Fernando Mendoza’s earnestness fool you.—
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But telling Porsha something in confidence is a fool’s errand.—
Noun
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This wacko crew was one of the greatest things in the history of television.—
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His search takes him to a wacko cult in the desert run by a scamster, and that of course puts the sheriff in deadly danger.—
Noun
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Not the fear of an actor out of her element, or the more mundane fear of a victim being chased around by an ax-wielding maniac.—
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That was the only understated thing this certified maniac said or did all night long.—
Noun
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So like Janet Mills, crackpot fellow traveler Jared Golden was getting muscled… from the left.—
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There’s also a subplot involving an elderly cancer patient, a pizza restaurant that doesn’t deliver outside of the city, and a crackpot scheme to move the city-limit sign down the highway so that Clara’s crush can get his grandpa’s favorite pie sent to their home.—
Noun
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Bits of bacon, mini hot-pockets, nutter butters and doritos.—
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Its founder was not a member of Congress but Paul Weyrich, a hard-right nutter with theocratic leanings with a fair claim to being the Johnny Appleseed of the New Right, having also co-founded the Heritage Foundation, the Moral Majority, and the American Legislative Exchange Council.—
Cite this Entry
“Nutcase.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nutcase. Accessed 13 Jan. 2026.
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