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
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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
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
She was found not responsible by reason of insanity and remanded to mental health treatment.
—Selina Guevara, NBC news, 19 Apr. 2026
Many of us have spent the past 15 months focused on chaos and bouts of incredulity, if not insanity.
—Donna Vickroy, Chicago Tribune, 15 Apr. 2026
See All Example Sentences for insanity
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
She was found not responsible by reason of insanity and remanded to mental health treatment.
—Selina Guevara, NBC news, 19 Apr. 2026
Many of us have spent the past 15 months focused on chaos and bouts of incredulity, if not insanity.
—Donna Vickroy, Chicago Tribune, 15 Apr. 2026
See All Example Sentences for insanity
Recent Examples of Synonyms for insanity
Noun
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Girardi — who was placed under a temporary conservatorship after being diagnosed with Alzheimer's and dementia — reported to prison in July to begin his seven-year sentence.—
Brianne Tracy,
PEOPLE,
24 Apr. 2026
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Greenhaven had racked up years of health violations, including from letting untrained workers administer medications, lacking enough employees to care for people with dementia, and neglecting a resident who smeared feces over his body, bed, floor, and bathroom, the notice said.—
Jordan Rau,
Miami Herald,
23 Apr. 2026
Noun
-
And that’s the absurdity of this whole thing.—
NBC news,
NBC news,
26 Apr. 2026
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That’s the kind of hands-on absurdity that makes a road trip memorable.—
Lauren Schuster,
Miami Herald,
24 Apr. 2026
Noun
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The priests argued that madness was a punishment from the gods and that healing came through repentance, along with sacrifices that helped maintain the temple’s operations.—
Literary Hub,
Literary Hub,
28 Apr. 2026
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The final round of fixtures on Saturday is going to be madness.—
Phil Hay,
New York Times,
27 Apr. 2026
Noun
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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
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The series has devolved into a hysteria that the young and arrogant Timberwolves feed on since that first quarter of Game 2.—
Bennett Durando,
Denver Post,
26 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
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This was the most straightforward, efficient episode of the season, pleasurable in its simplicity, with only one gimmick (the to-go orders) that barely made a difference to the episode’s outcome.—
Roxana Hadadi,
Vulture,
28 Apr. 2026
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That simplicity is an advantage that baseball has over hockey, where everything moves so much faster and the plays don’t happen in discrete chunks.—
Sean McIndoe,
New York Times,
24 Apr. 2026
Noun
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For Whitman, an Army veteran living with schizophrenia, that structure has become part of everyday life.—
Nick Lunemann,
CBS News,
21 Apr. 2026
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The company, Tortugas Neuroscience, launched Tuesday with plans to develop two schizophrenia and tinnitus drugs licensed from Chinese drugmaker Jiangsu Hansoh Pharmaceutical Group.—
Allison DeAngelis,
STAT,
21 Apr. 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 1 May. 2026.
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