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
Hinckley was found not guilty by reason of insanity.
—
ABC News, 26 Apr. 2026
He was found not guilty by reason of insanity in 2022 but has since been banned from participating in events sanctioned by the United States Equestrian Federation (USEF).
—Christopher Rudolph, PEOPLE, 23 Apr. 2026
McGarrahan’s February 2026 insanity evaluation report was filed under seal.
—Emerson Clarridge, Fort Worth Star-Telegram, 22 Apr. 2026
Years later, Resnick would describe his observations on both Yates and the use of the insanity defense in an article for the Cleveland State Law Review.
—Chelsea Bailey, CNN Money, 22 Apr. 2026
See All Example Sentences for insanity
ABC News, 26 Apr. 2026
He was found not guilty by reason of insanity in 2022 but has since been banned from participating in events sanctioned by the United States Equestrian Federation (USEF).
—Christopher Rudolph, PEOPLE, 23 Apr. 2026
McGarrahan’s February 2026 insanity evaluation report was filed under seal.
—Emerson Clarridge, Fort Worth Star-Telegram, 22 Apr. 2026
Years later, Resnick would describe his observations on both Yates and the use of the insanity defense in an article for the Cleveland State Law Review.
—Chelsea Bailey, CNN Money, 22 Apr. 2026
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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Her imperious, elderly father Herrmann (Sylvester Groth) has become disinhibited by dementia and is prone to touching his female caretaker (Patrycja Ziółkowska ) inappropriately, a problem Elsa doesn’t want to face any more than Lucy does.—
Leslie Felperin,
HollywoodReporter,
15 May 2026
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Conversely, there’s some evidence that having shingles may increase the risk of dementia.—
Beth Mole,
ArsTechnica,
15 May 2026
Noun
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As Akhavan speaks, the absurdity of reading the lilies as emblems of colonialism is impossible to ignore.—
Harrison Jacobs,
ARTnews.com,
6 May 2026
-
Church went to the Holy Land in search of sublimity; Twain fastened on the absurdities of those determined to find it.—
Sebastian Smee,
New Yorker,
4 May 2026
Noun
-
As artists are wont to do, the two descend into … madness?—
Elaina Patton,
IndieWire,
12 May 2026
-
This time, of course, Rodgers is the one responsible for the melodrama, albeit a far tamer manifestation of it than the madness Favre generated in his final days in Green Bay.—
Michael Silver,
New York Times,
12 May 2026
Noun
-
People forget about the Monkeypox hysteria after COVID in 2023.—
Zach Dean OutKick,
FOXNews.com,
7 May 2026
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And that’s why there was a minor case of hysteria when Hillsborough County officials recently suggested the team’s June 1 deadline of finalizing the agreement would not likely be accommodated.—
John Romano,
The Orlando Sentinel,
28 Apr. 2026
Noun
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That men like Mark Zuckerberg and Elon Musk are entrusted with businesses of tectonic influence can be difficult to understand, but their cults of personality have been able to survive scrutiny, perhaps because the money itself is too imposing a firewall for their own stupidity to penetrate.—
Scott Tobias,
Vulture,
19 Apr. 2026
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Eric Swalwell, a prominent Democratic House member and a front-runner in the race for California governor, had his political career blown up by allegations of degeneracy and abject stupidity.—
Michelle Cottle,
Mercury News,
16 Apr. 2026
Noun
-
The simplicity of LaceLocker® also remains central to its appeal.—
Nia Bowers,
USA Today,
12 May 2026
-
The fresh flip-flop offerings prove that simplicity need not be sacrificed for stylishness, and that all-day comfiness should most certainly not take a back seat to a head-turning summertime aesthetic.—
Stacia Datskovska,
Footwear News,
11 May 2026
Noun
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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, per the Mayo Clinic.—
Angela Andaloro,
PEOPLE,
9 May 2026
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During his first involuntary hospitalization, Fahim was diagnosed with schizophrenia and began taking an antipsychotic medication, evidence showed.—
Sean Emery,
Oc Register,
7 May 2026
Noun
-
The idiocy of these people knows no bounds.—
Austin Perry OutKick,
FOXNews.com,
25 Apr. 2026
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There’s a heartwarming idiocy to their pursuit, yet what festers underneath is their inability to process grief consciously and the fear that those who deem their existence meaningless might be right.—
Carlos Aguilar,
Variety,
14 Mar. 2026
Cite this Entry
“Insanity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insanity. Accessed 16 May. 2026.
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