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
The suspect in the killing of a popular youth mentor was allowed to plead not guilty by reason of insanity, then sentenced to life in a mental health hospital, court records show.
—
Nate Gartrell, Mercury News, 31 May 2025
That’s a concern for potential buyers, though, and why the ZR1’s electronics undoubtedly ratchet back the insanity.
—Michael Teo Van Runkle, ArsTechnica, 30 May 2025
New York Jets Ending the Aaron Rodgers insanity while continuing to draft for the offensive line — which now features three first-round picks, including both tackles, and a second-rounder — gives the Jets a chance to build something for the longer term.
—Mike Sando, New York Times, 29 May 2025
Dominguez has pleaded not guilty and not guilty by reason of insanity in the stabbing deaths of David Breaux, 50, and Karim Abou Najm, 20, at Davis’ Central and Sycamore parks; and the wounding of Kimberlee Guillory, then 64, in her tent in the city’s downtown.
—Darrell Smith, Sacbee.com, 24 May 2025
See All Example Sentences for insanity
Nate Gartrell, Mercury News, 31 May 2025
That’s a concern for potential buyers, though, and why the ZR1’s electronics undoubtedly ratchet back the insanity.
—Michael Teo Van Runkle, ArsTechnica, 30 May 2025
New York Jets Ending the Aaron Rodgers insanity while continuing to draft for the offensive line — which now features three first-round picks, including both tackles, and a second-rounder — gives the Jets a chance to build something for the longer term.
—Mike Sando, New York Times, 29 May 2025
Dominguez has pleaded not guilty and not guilty by reason of insanity in the stabbing deaths of David Breaux, 50, and Karim Abou Najm, 20, at Davis’ Central and Sycamore parks; and the wounding of Kimberlee Guillory, then 64, in her tent in the city’s downtown.
—Darrell Smith, Sacbee.com, 24 May 2025
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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Sedgwick's Cynthia is married to a man over two decades her senior, Warren (Judd Hirsch), who is rapidly declining into dementia.—
Maureen Lee Lenker,
EW.com,
3 June 2025
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And then there's specific activities that lower your risk for Parkinson's and dementia as well, including racket sports like table tennis and pickleball.—
Renée Onque,
CNBC,
3 June 2025
Noun
-
Delving deep into sublime absurdity, Elster transmuted Bowie into a broad range of peculiar characters.—
Natasha Gural,
Forbes.com,
22 May 2025
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Mara opted to stay in her lane as a dramatic star to ground the absurdity of the film, including the antics between Robinson and Paul Rudd onscreen.—
Samantha Bergeson,
IndieWire,
19 May 2025
Noun
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Once again, the film is about the anguish of losing a loved one and the the desire to connect with the dead one more time, the annihilating madness of grief driving a person to unspeakable ends.—
Katie Walsh,
Boston Herald,
30 May 2025
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As Scott stumbles through a chaotic weekend, Neil proves a ride-or-die friend who may be the only sane voice in the madness of wedding season.—
Matt Grobar,
Deadline,
30 May 2025
Noun
-
TikTok stars spark viral hysteria over saccharine-smelling scrubs and mists.—
Sophia Panych,
Allure,
15 May 2025
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As with the hysteria over cow killings, the furor takes form mostly on social media and platforms like WhatsApp, where rumors spread indiscriminately.—
Andrew Marantz,
New Yorker,
28 Apr. 2025
Noun
-
To critics, the obvious answer would be ego, stubbornness or just plain stupidity.—
Robert Pearl,
Forbes.com,
26 May 2025
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Head shots that are not even minor penalties according to an official is just blatant stupidity.—
Pierre LeBrun,
New York Times,
14 May 2025
Noun
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Listen to this article MIAMI — The Miami Heat’s approach to free agency last summer was simplicity, that Jimmy Butler would return hungry for an extension, the core would meet Pat Riley’s mandate of elevated attendance, Jaime Jaquez Jr. would make sophomore strides.—
Ira Winderman,
Sun Sentinel,
30 May 2025
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Bronwen Sciortino, author & simplicity expert teaching easy ways to tailor-make healthy, happy & highly successful lives.—
Bronwen Sciortino,
Forbes.com,
28 May 2025
Noun
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From Parkinson’s disease to schizophrenia, many brain disorders stem from specific types of brain cells.—
Allison Parshall,
Scientific American,
2 June 2025
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According to The World Health Organization, mental health disorders include anxiety, depression, bipolar disorder, schizophrenia, neurodevelopmental disorders, and more.—
Simone E. Morris,
Forbes.com,
30 May 2025
Cite this Entry
“Insanity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insanity. Accessed 10 Jun. 2025.
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