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
Relevance
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of insanity
True insanity seldom results from a huge, flaming blowout when driving.
—
Malana Vantyler,
USA Today,
24 June 2026
Part of what drew him to the case, Burton said, was that many of the issues relevant then are still relevant today, like the death penalty, the use of the insanity defense, parole and rehabilitation.
—
Lillie Davidson,
Fort Worth Star-Telegram,
23 June 2026
With her signature deadpan sarcasm and round glasses, Daria critiqued suburban life and the insanity of high school popularity contests with wit and honesty.
—
Lauren Brown West-Rosenthal,
Parents,
22 June 2026
An emotional disturbance defense is not the same as a not guilty by reason of insanity defense, which would allow a defendant to go to a psychiatric facility instead of prison.
—
Michael R. Sisak,
Los Angeles Times,
19 June 2026
See All Example Sentences for insanity
Malana Vantyler,
USA Today,
24 June 2026
Part of what drew him to the case, Burton said, was that many of the issues relevant then are still relevant today, like the death penalty, the use of the insanity defense, parole and rehabilitation.
—
Lillie Davidson,
Fort Worth Star-Telegram,
23 June 2026
With her signature deadpan sarcasm and round glasses, Daria critiqued suburban life and the insanity of high school popularity contests with wit and honesty.
—
Lauren Brown West-Rosenthal,
Parents,
22 June 2026
An emotional disturbance defense is not the same as a not guilty by reason of insanity defense, which would allow a defendant to go to a psychiatric facility instead of prison.
—
Michael R. Sisak,
Los Angeles Times,
19 June 2026
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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The lifetime cost of dementia care alone now exceeds $400,000 per person.
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However, the study was observational and does not prove that caffeine directly prevents dementia.
Noun
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Brooks also taught Wilder how to take something funny, push it all the way to the point of absurdity, then keep going.
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The second lady is perhaps the most interesting figure in Trumpworld right now, and certainly the only one who understands the absurdity of it all.
Noun
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In the midst of the final stretch of World Cup madness, here are eight shows happening in Kansas City in July.
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Either Cody or Gunther wins because Sami gets screwed; Zayn will then further descend into madness and attack someone after the bell.
Noun
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And the hysteria over the centers seemed to be not as much about freedom, or competing educational philosophies, or politics at all, as about an ever-shrinking pot of money.
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From causing supernatural events to creating hysteria, our orbiting nightlight has always had legends and folktales written about it.
Noun
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Which again, highlights the stupidity of allowing these exceptions in the first place.
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Final negotiations on ‘Peace’ are proceeding, subject to ignorance or stupidity getting in its way.
Noun
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Write with simplicity and heart.
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That distinction is important because the company sees simplicity as one of its greatest strengths.
Noun
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Wendy Gledhill, Handy's partner and the mother of Michael Gledhill, reportedly told TMZ that her son was diagnosed with schizophrenia and had stopped taking his medications the week before Handy died.
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Schizoaffective disorder is a mental health condition that is marked by a mix of schizophrenia symptoms, such as hallucinations and delusions, and mood disorder symptoms, such as depression, mania and a milder form of mania called hypomania, according to the Mayo Clinic.
Noun
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That’s the level of idiocy in the Los Angeles city government.
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The idiocy of these people knows no bounds.
Cite this Entry
“Insanity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insanity. Accessed 3 Jul. 2026.
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