1
as in insanity
lack of good sense or judgment
the foolishness of going off to search for the fountain of youth
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Antonyms & Near Antonyms
2
as in nonsense
language, behavior, or ideas that are absurd and contrary to good sense
couldn't listen to another second of their foolishness, so I told them to be quiet
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in stupidness
the quality or state of lacking intelligence or quickness of mind
you didn't fail the test because of any innate foolishness but because of a lack of preparation
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of foolishness
In the world of Saturday Church, there’s no need to uphold binary foolishness.
—
Juan A. Ramírez, Vogue, 23 Sep. 2025
Yet for all of his stoned foolishness, Bob has clearly imparted a real distrust of authority to his kid.
—David Sims, The Atlantic, 18 Sep. 2025
The foolishness of the governor’s gibe was underscored by the progressive, staunchly anti-Trump Democratic mayor of San Jose.
—U T Editorial Board, San Diego Union-Tribune, 6 Sep. 2025
None of that store-brand foolishness.
—Lizz Schumer, People.com, 13 Aug. 2025
See All Example Sentences for foolishness
Juan A. Ramírez, Vogue, 23 Sep. 2025
Yet for all of his stoned foolishness, Bob has clearly imparted a real distrust of authority to his kid.
—David Sims, The Atlantic, 18 Sep. 2025
The foolishness of the governor’s gibe was underscored by the progressive, staunchly anti-Trump Democratic mayor of San Jose.
—U T Editorial Board, San Diego Union-Tribune, 6 Sep. 2025
None of that store-brand foolishness.
—Lizz Schumer, People.com, 13 Aug. 2025
See All Example Sentences for foolishness
Recent Examples of Synonyms for foolishness
Noun
-
What’s that old saying about the definition of insanity.—
Editorial,
Boston Herald,
25 Jan. 2026
-
In that case, Bojeh was found not guilty by reason of insanity and later released under conditional supervision.—
Sarah Rumpf-Whitten,
FOXNews.com,
23 Jan. 2026
Noun
-
Subsequent rulings expanded the assault on our electoral system, including Citizens United, which equates people to corporations — more nonsense.—
Sun Sentinel Editorial Board,
Sun Sentinel,
30 Jan. 2026
-
There will be times when too much time on my hands leads to nonsense, like deep character dives on Instagram regarding the wives of ex-boyfriends.—
Literary Hub,
Literary Hub,
29 Jan. 2026
Noun
-
Set into motion by an innocuous wish, the James family is forced to explore their generational differences, intra-marital conflicts, raging hormones, and professional anxieties, in a complicated web of body-swapping madness.—
Nellie Andreeva,
Deadline,
27 Jan. 2026
-
The documentary focuses on the inhabitants of Antarctica, and captures an apparent moment of madness within a colony of Adélie penguins, who endure scathingly harsh conditions in the icy wasteland.—
Dani Di Placido,
Forbes.com,
26 Jan. 2026
Noun
-
My love of the theater and my love of the people who dedicate their life to creativity and the kind of highs and lows of that life, and the silliness and stupidity of that life, and the moments of elegiac grace.—
Mark Olsen,
Los Angeles Times,
22 Jan. 2026
-
History suggests that the proficient cruelty of such regimes is unable to compensate for the stupidity and incompetence of their cadres.—
Elizabeth Tsurkov,
The Atlantic,
11 Jan. 2026
Noun
-
Their midweight thickness offers enough cushion for miles of walking through the streets of New York City, without causing sweat.—
Ali Faccenda,
PEOPLE,
8 Jan. 2026
-
The thickness of this layer causes light interference effects, giving the fabric a vivid purple appearance similar to the colors seen in soap bubbles.—
Prabhat Ranjan Mishra,
Interesting Engineering,
5 Jan. 2026
Noun
-
The third, set in prehistoric times, is dazzling in its simplicity and dramatic rigor, and could’ve easily done without the others.—
Siddhant Adlakha,
Variety,
27 Jan. 2026
-
The low-to-the-ground shoe was overall a showcase of streamlined simplicity with its lack of embellishment and glove-like fit.—
Jaden Thompson,
Footwear News,
26 Jan. 2026
Noun
-
Hellmann’s is hoping a healthy does of silliness will help its Super Bowl recipe.—
Brian Steinberg,
Variety,
27 Jan. 2026
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But The Moment is too self-conscious to really commit to such silliness.—
Richard Lawson,
HollywoodReporter,
24 Jan. 2026
Noun
-
Compare that to punk rock, which used dumbness as a tactic.—
Arkansas Online,
Arkansas Online,
14 Aug. 2025
Cite this Entry
“Foolishness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolishness. Accessed 1 Feb. 2026.
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