as in foolish
showing or marked by a lack of good sense or judgment
such lunatic clowning during a solemn ceremony is completely inappropriate
Synonyms & Similar Words
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Antonyms & Near Antonyms
as in fool
a person who lacks good sense or judgment
No, you can't ski off the roof, you lunatic!
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of lunatic
Scott Roxborough, HollywoodReporter, 8 Sep. 2025
However, the team has been a target of lunatic pro-Palestine protesters who have taken issue with the team's name, even though the team has no formal ties to the Israeli government.
—Matt Reigle Outkick, FOXNews.com, 6 Sep. 2025
Literary Hub, 22 Oct. 2025
So that episode will make fun [of] billionaire life-extension body-hacking lunatics.
—Wesley Stenzel, Entertainment Weekly, 28 Sep. 2025
See All Example Sentences for lunatic
Adjective
For Mikkelsen and Lie Kaas, who have previously pushed Jensen’s brand of lunatic sincerity in films like Men & Chicken and Riders of Justice, The Last Viking was another chance to dive headfirst into the madness while keeping hold of something real.
—Noun
There were these lunatics in the car.
—Recent Examples of Synonyms for lunatic
Adjective
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To do a lot less foolish, thoughtless, stupid, idiotic things.—
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No one should be defending activists who engage in the most foolish and dangerous actions!—
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.—
Adjective
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In tribute to Michael Keane’s hair-pulling on Wednesday, Cerys Jones picked through the stupidest dismissals in Premier League history.—
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To do a lot less foolish, thoughtless, stupid, idiotic things.—
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.—
Adjective
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And everyone is mad at Andrew—though this one feels like a rumor and more reality.—
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He’s been thrown straight into a mad month, in which Chelsea have Premier League, FA Cup, Carabao Cup and Champions League fixtures.—
Adjective
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To say the road to the Super Bowl goes through Jacksonville sounds silly in the NFL’s grand scheme, but for a talented and decorated Bills group that never has won there, that’s the first stop on the quest.—
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Citing the Monroe Doctrine is silly.—
Noun
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Foie gras — or fattened liver of a duck or goose — is a delicacy in French cooking that is occasionally featured on higher-end restaurants’ menus.—
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End-of-season closeout deals are up to 81% off, including comforters filled with goose feathers, gel fibers, silk, and more.—
Adjective
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Peterson’s 30-plus point scoring output (on 8-of-18 shooting, 3-of-8 from 3, 13-15 from line) helped make possible a crazy comeback victory.—
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Or at least the craziest until Malinin began doing on ice back flips during the 2024-25 season after the International Skating Union, the sport’s global governing body, lifted a ban on the stunt.—
Cite this Entry
“Lunatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lunatic. Accessed 13 Jan. 2026.
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