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
Examples are automatically compiled from online sources to
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Recent Examples of lunatic
Amarachi Orie,
CNN Money,
8 May 2026
Those who know better but act badly deserve the scorn of the people — maybe more than the lunatic-in-chief.
—
Lucas Robinson,
San Diego Union-Tribune,
7 May 2026
Voice Of The People,
New York Daily News,
29 Apr. 2026
Friends with a sudden devotion to nature begin making plans to convene in parks; TurboTax becomes your closest email companion; your risk of injury at the hands of a lunatic on a City Bike, haunted by the memory of a New Year’s resolution to exercise, may increase.
—
Elly Leavitt,
Vogue,
25 Mar. 2026
See All Example Sentences for lunatic
Adjective
Richard Attenborough once mischievously locked his brother inside a padded cell in a building on campus that was once a Victorian lunatic asylum, according to the university.
—
Amarachi Orie,
CNN Money,
8 May 2026
Those who know better but act badly deserve the scorn of the people — maybe more than the lunatic-in-chief.
—
Lucas Robinson,
San Diego Union-Tribune,
7 May 2026
Noun
To get a sentence like that in a communist, radically left-wing city of liberal lunatics is truly amazing.
—
Voice Of The People,
New York Daily News,
29 Apr. 2026
Friends with a sudden devotion to nature begin making plans to convene in parks; TurboTax becomes your closest email companion; your risk of injury at the hands of a lunatic on a City Bike, haunted by the memory of a New Year’s resolution to exercise, may increase.
—
Elly Leavitt,
Vogue,
25 Mar. 2026
See All Example Sentences for lunatic
Recent Examples of Synonyms for lunatic
Adjective
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The Lenovo ThinkBook 16 Gen 8 laptop shows up ready to work with a snappy Intel Core Ultra 7 processor, insane 32GB of RAM, and spacious 2TB SSD in its (figurative) briefcase.
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Eventually, though, Lestat breaks, coming clean about his tumultuous past with first lover Nicolas de Lenfent (Joseph Potter), who went insane after being attacked by Armand (Assad Zaman) in Paris in the late 18th century.
Noun
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Don’t let the cream’s $8 price tag fool you; the anti-aging find tackles fine lines, wrinkles, and clogged pores, all while being gentle enough for all skin types.
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This is an ignoble war making monsters and fools out of its participants, and against the uncontrollable weapons that are dragons, everyone’s resolve is crumbling.
Adjective
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But even the most perfect Constitution can be undone by the wicked with the help of the bought, the stupid, and the cowardly.
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White can believe Hokit said something stupid and still believe fighters should be allowed to speak for themselves.
Noun
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Mantzoukas was willing to look like a maniac and a moron in equal measure.
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The Martin Lawrence vehicle Martin, which ran for five glorious seasons, offered a terrific platform for Lawrence to run around like a maniac as an energetic radio DJ.
Adjective
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Initially skeptical, Tom becomes increasingly paranoid after a sailor who got lost in the fog essentially goes mad, with his eyes turning white just before dying.
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Relative bargain Please do not be mad at me for relaying this insurance math.
Noun
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Each morning, the city's street-flusher truck cleans goose droppings from the riverfront concrete walkway, but officials said the equipment cannot remove droppings left on grassy areas.
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Was there pressure on you as this goose whose golden eggs were all going to Apple?
Adjective
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For one, the corporation made major investments in WeWork, a coworking space startup that imploded in spectacular fashion in 2019, leaving the possibility that his all-in on AI could come to look foolish as well.
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Some thought the move was foolish.
Noun
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Mantzoukas was willing to look like a maniac and a moron in equal measure.
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Lluís then calls Puig Antich a moron.
Cite this Entry
“Lunatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lunatic. Accessed 28 Jun. 2026.
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