1
as in dementia
a serious mental disorder that prevents one from living a safe and normal life
his incurable insanity requires that he spend the rest of his life in a mental hospital
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in absurdity
a foolish act or idea
everyone laughed at the latest insanity from the town eccentric
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in madness
lack of good sense or judgment
had the insanity to think that taking over a government building in protest of our foreign policy was a good idea
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of insanity
Barry Solomon, Fort Lauderdale Common sense or insanity? Do Americans want anarchy or law and order?
—
Sun Sentinel Editorial Board, Sun Sentinel, 15 June 2025
His father, Albert Walter, Sr., a real estate salesman, offered his own proof of insanity.
—Mara Bovsun, New York Daily News, 15 June 2025
Johnson, elevated to office by chaos forces—insanity and murder—seeks to finally be accepted not as the understudy but as the ramrod patrician who can set the nation righter than before.
—Doreen St. Félix, New Yorker, 14 June 2025
My first real foray into this insanity was at the Golden Door in Australia.
—Bruna Papandrea, HollywoodReporter, 10 June 2025
See All Example Sentences for insanity
Sun Sentinel Editorial Board, Sun Sentinel, 15 June 2025
His father, Albert Walter, Sr., a real estate salesman, offered his own proof of insanity.
—Mara Bovsun, New York Daily News, 15 June 2025
Johnson, elevated to office by chaos forces—insanity and murder—seeks to finally be accepted not as the understudy but as the ramrod patrician who can set the nation righter than before.
—Doreen St. Félix, New Yorker, 14 June 2025
My first real foray into this insanity was at the Golden Door in Australia.
—Bruna Papandrea, HollywoodReporter, 10 June 2025
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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But people with dementia do actually live in the moment.—
Stephen Schaefer,
Boston Herald,
10 July 2025
-
My father handled most of the issues but now suffers from dementia, so there are a lot of unknowns.—
Eric Thomas,
Sun Sentinel,
10 July 2025
Noun
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As stocks surge, Chanos has been warning of other market absurdities including the proliferation of Bitcoin treasury companies which raise money to buy and hold the cryptocurrency.—
Glen Luke Flanagan,
Fortune,
30 June 2025
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In his high-energy hour, featuring plenty of material and crowd work alike, which was taped at the Neptune Theatre in Seattle, WA, Jackson tackles everything from racially questionable cookies to other everyday absurdities.—
Matt Grobar,
Deadline,
16 June 2025
Noun
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Eight is a cursed number, and this is the eighth day of madness.—
Fatemeh Shams
June 30,
Literary Hub,
30 June 2025
-
Lee’s sensitive, evolving turn as Gi-hun — deeply human amid the madness, paranoia and murder set in bright green and pink surroundings — has made the character the ideal litmus test for Hwang’s critique of an economic system designed to produce titanic winners and losers who face annihilation.—
Michael Ordoña,
Los Angeles Times,
27 June 2025
Noun
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For the past few days, though, the internet has been gripped with Monterrey wall fever, the kind of mass hysteria that can really only take hold during the long, delirious advance of a summer tournament.—
Jack Lang,
New York Times,
22 June 2025
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Trump’s ‘smoke and mirrors’ But the government has not signaled any sense of hysteria about Trump’s decision to hold off on a strike on Iran for two weeks.—
Oren Liebermann,
CNN Money,
20 June 2025
Noun
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Meanwhile, doubling down on stupidity, the Democrats attacked Trump for eliminating—or at least setting back—Iran’s capacity to complete construction and delivery of nuclear bombs.—
Peter Lucas,
Boston Herald,
4 July 2025
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That’s either extreme confidence or extraordinary stupidity, or some combination.—
Georg Szalai,
HollywoodReporter,
3 June 2025
Noun
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To stand and hold a place in simplicity is one of the most difficult things for any performer to do.—
Guillermo Perez,
Miami Herald,
3 July 2025
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The Wicked star loves the sonic drama of the track, in spite of its lyrical simplicity.—
Madison E. Goldberg,
People.com,
2 July 2025
Noun
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In another scenario, New Berlin police officers responded to a woman who was loitering and recognized signs of schizophrenia and PTSD.—
Bridget Fogarty,
jsonline.com,
3 July 2025
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On Facebook in 2023, Rudd said he was given antipsychotic medications to treat schizophrenia.—
Kevin Grasha,
The Enquirer,
2 July 2025
Cite this Entry
“Insanity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insanity. Accessed 16 Jul. 2025.
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