1
as in goofy
lacking in seriousness or maturity
the movie follows the harebrained antics of a pair of stoners who seem incapable of growing up
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Antonyms & Near Antonyms
2
as in foolish
showing or marked by a lack of good sense or judgment
a harebrained idea to go for a hike in an area where grizzly bear attacks had recently been reported
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Recent Examples of harebrained
Reggie’s resolve to fight against the rising tide inspires him to embark upon a harebrained scheme that involves con artistry and theatrical promotion.
—
Vikram Murthi, IndieWire, 19 Aug. 2025
Here are some methods for scraping good music from the data wasteland, organized in a hierarchy from bottom-feeder basics to more sophisticated and ultimately, uhh, harebrained strategies.
—Kieran Press-Reynolds, Pitchfork, 31 July 2025
More harebrained projects follow, and the family’s tilting house finally tumbles after neighbors and acquaintances slowly chip away at the building to repurpose many of the structure’s materials.
—Anita Snow, Boston Herald, 25 July 2025
Cuomo staying in the race could make for the most unpredictable, harebrained mayoral election that New York has had since 1977.
—Amanda Petrusich, New Yorker, 3 July 2025
See All Example Sentences for harebrained
Vikram Murthi, IndieWire, 19 Aug. 2025
Here are some methods for scraping good music from the data wasteland, organized in a hierarchy from bottom-feeder basics to more sophisticated and ultimately, uhh, harebrained strategies.
—Kieran Press-Reynolds, Pitchfork, 31 July 2025
More harebrained projects follow, and the family’s tilting house finally tumbles after neighbors and acquaintances slowly chip away at the building to repurpose many of the structure’s materials.
—Anita Snow, Boston Herald, 25 July 2025
Cuomo staying in the race could make for the most unpredictable, harebrained mayoral election that New York has had since 1977.
—Amanda Petrusich, New Yorker, 3 July 2025
See All Example Sentences for harebrained
Recent Examples of Synonyms for harebrained
Adjective
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Nicolas Winding Refn’s second collaboration with Gosling could have been goofy as hell.—
Roxana Hadadi,
Vulture,
20 Mar. 2026
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But don’t let that demure and goofy personality fool you!—
Heide Janssen,
Oc Register,
15 Mar. 2026
Adjective
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Your fast response and decisive actions prevented this foolish criminal act from endangering the rest of the county.—
Christa Swanson,
CBS News,
18 Mar. 2026
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The limited series feels equally foolish, down to its last line of narration.—
Ben Travers,
IndieWire,
18 Mar. 2026
Adjective
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In retaliation, Afroman released several songs about the experience, made music videos using his security-cam footage, and generally was a silly goose about the whole thing.—
Bethy Squires,
Vulture,
20 Mar. 2026
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This confident Yale Rep production follows Ionesco’s lead by being very clear about its point but relentlessly silly while making it.—
Christopher Arnott,
Hartford Courant,
18 Mar. 2026
Adjective
-
Of all the live-action shows made by Adult Swim, Three Busy Debras is the most cartoonish; its world is as elastic and stupid as any Chuck Jones Looney Tunes joint.—
Eric Vilas-Boas,
Vulture,
18 Mar. 2026
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Anyone who says anything else is stupid or lying.—
Literary Hub,
Literary Hub,
18 Mar. 2026
Adjective
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Even with the spotlight, Méndez said the debate feels futile.—
Karissa Waddick,
USA Today,
14 Mar. 2026
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Even subtle futile cycles – processes in which molecules are repeatedly built and broken down – consume energy and generate heat.—
Claudio Villanueva,
The Conversation,
11 Mar. 2026
Adjective
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Shawn Hatosy is particularly feral here, injecting real menace into an otherwise absurd premise.—
Ana Gutierrez,
Austin American Statesman,
20 Mar. 2026
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The deadpan one-liners exaggerating his strength, speed and toughness to absurd levels, turned Norris into one of the internet’s first global memes.—
Bryan Alexander,
USA Today,
20 Mar. 2026
Adjective
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Astronomers are also giddy about Comet MAPS’ size, as larger snowballs are often likelier to withstand their closest approach to the sun, known as perihelion.—
Stephanie Vermillion,
Outside,
23 Mar. 2026
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Rogers sets the tone and the pace, and the rest of the cast — especially Elizabeth Stahlmann as Berenger’s work colleague and potential love interest Daisy — are adept at learning his distinct voice and physical language and answering him back in a similarly loose, giddy style.—
Christopher Arnott,
Hartford Courant,
18 Mar. 2026
Adjective
-
The first six years of the Black Crowes were insane to process.—
Devon Ivie,
Vulture,
19 Mar. 2026
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An optimist and networker with Harpo Marx hair, he was inducted into the Internet Hall of Fame in 2023 for helping invent the HTTPS encryption system and was among the first to take AI seriously, back when AI seemed even more insane.—
Joe Hagan,
Vanity Fair,
18 Mar. 2026
Cite this Entry
“Harebrained.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harebrained. Accessed 26 Mar. 2026.
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