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
Maybe Clark can dust off Scrooge comparisons if this insanity lasts until Christmas.
—
Gayla Cawley, Boston Herald, 26 Oct. 2025
Ed brings great depth and heart to the man in charge of safety for this massive jump, an island of reason in a sea of insanity.
—Matt Grobar, Deadline, 14 Oct. 2025
At trial, Crawford's attorneys acknowledged his guilt to lay the groundwork for an insanity defense, even though that's not how Crawford wanted to handle the case, according to reporting by the Mississippi Clarion Ledger, part of the USA TODAY Network.
—Amanda Lee Myers, USA Today, 13 Oct. 2025
Instead of gradually boiling into insanity, the film hits fever pitch hallucinations right away and quickly exhausts itself attempting to keep pace.
—J. Kim Murphy, Variety, 11 Oct. 2025
See All Example Sentences for insanity
Gayla Cawley, Boston Herald, 26 Oct. 2025
Ed brings great depth and heart to the man in charge of safety for this massive jump, an island of reason in a sea of insanity.
—Matt Grobar, Deadline, 14 Oct. 2025
At trial, Crawford's attorneys acknowledged his guilt to lay the groundwork for an insanity defense, even though that's not how Crawford wanted to handle the case, according to reporting by the Mississippi Clarion Ledger, part of the USA TODAY Network.
—Amanda Lee Myers, USA Today, 13 Oct. 2025
Instead of gradually boiling into insanity, the film hits fever pitch hallucinations right away and quickly exhausts itself attempting to keep pace.
—J. Kim Murphy, Variety, 11 Oct. 2025
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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Having one copy of the gene roughly doubles or triples the chances of developing the common dementia, while two copies raises the risk by 10 times and lowers the average age of onset by five to 10 years, data shows.—
Melissa Rudy,
FOXNews.com,
7 Nov. 2025
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The entire extended family is very tight-knit, supporting Willis after he was diagnosed with frontotemporal dementia, a rare condition.—
Sari Hitchins,
Parents,
7 Nov. 2025
Noun
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Alps is really about the absurdity of acting in general, and perhaps the specific psychological burden of the Method in particular.—
A.A. Dowd,
Vulture,
24 Oct. 2025
-
The costumes point out the absurdity of bringing National Guard troops into cities, Faith Gill said.—
Darcie Moran,
Freep.com,
22 Oct. 2025
Noun
-
What starts as a cathartic process spirals out-of-control, as the line between justice and madness blurs.—
Jesse Whittock,
Deadline,
6 Nov. 2025
-
The American people will hate this madness, but that makes no difference to a president increasingly unmoored from reality.—
Newsweek Contributors,
MSNBC Newsweek,
5 Nov. 2025
Noun
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Decades before Salem, hysteria over witchcraft was already sweeping through England – and perhaps nowhere more fervently than in the southeast, such as in the neighboring counties of Kent and Essex, which border London.—
James Frater,
CNN Money,
31 Oct. 2025
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Critics will predictably argue that those two positions are inherently linked; on the opposite side of the political spectrum, oil and gas partisans could point to Gates’ essay as proof that climate hysteria was misguided all along and that fossil use should continue unimpeded.—
Tim McDonnell,
semafor.com,
28 Oct. 2025
Noun
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Why should Curtis have to back down to **maybe** save that city from its own stupidity?—
Gabe Whisnant,
MSNBC Newsweek,
4 Nov. 2025
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The Snack Homiez’ back-and-forth, soothing in its stupidity, reminded me of this Kate McKinnon-Aidy Bryant two-hander from 2021.—
Charu Sinha,
Vulture,
19 Oct. 2025
Noun
-
The simplicity makes the robot lighter, cheaper, and easier to operate.—
Aamir Khollam,
Interesting Engineering,
7 Nov. 2025
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For those seeking simplicity, options such as eco-friendly guesthouses, cozy budget inns, or camping at Cinnamon Bay offer affordable ways to stay close to nature.—
Essence,
Essence,
7 Nov. 2025
Noun
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The company's future hinges on the success of Cobenfy, the company's new schizophrenia drug.—
Zev Fima,
CNBC,
30 Oct. 2025
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Boy Brian Wilson’s attempts to complete the album Smile in the aftermath of a nervous breakdown while dealing with schizophrenia.—
Richard Newby,
HollywoodReporter,
29 Oct. 2025
Noun
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Advertisement Aster keenly satirizes Joe’s idiocy in the face of social upheaval through the iconography of Westerns.—
Robert Daniels,
Time,
10 Oct. 2025
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But my naivete and idiocy about what this was going to take was staggering to me just six months later.—
Scott Feinberg,
HollywoodReporter,
19 Aug. 2025
Cite this Entry
“Insanity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insanity. Accessed 8 Nov. 2025.
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