as in thickness
the quality or state of lacking intelligence or quickness of mind
the sheer boneheadedness shown by the state's politicians, who have ignored the problem for decades
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Recent Examples of boneheadedness
The pressure brought forth both boneheadedness and brilliance.
—
The Athletic Staff, New York Times, 28 Oct. 2025
The Athletic Staff, New York Times, 28 Oct. 2025
Recent Examples of Synonyms for boneheadedness
Noun
-
Great for the upper and middle back, helping to build thickness and definition.—
Ciara Lucas,
SELF,
15 Feb. 2026
-
Healthy roots will appear moist and will taper in thickness closer to the tip.—
Michele Laufik,
Martha Stewart,
10 Feb. 2026
Noun
-
As to the famous fine line between stupid and clever, the stupidity and the cleverness are all but inextricable, and to the point.—
Television Critic,
Los Angeles Times,
20 Feb. 2026
-
Marco Bellocchio‘s six-episode Italian-language drama is a living nightmare of the past that doubles as an agonizing manifestation of the present — a potent reminder that widespread stupidity isn’t confined to a single time or place.—
Ben Travers,
IndieWire,
20 Feb. 2026
Noun
-
Unlike its sibling concepts of dumbness and idiocy, stupidity isn’t really a personality trait.—
Jonny Thomson,
Big Think,
11 Feb. 2026
-
Compare that to punk rock, which used dumbness as a tactic.—
Arkansas Online,
Arkansas Online,
14 Aug. 2025
Noun
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But the composer Huang Ruo knows that this slowness can also offer opportunity for pause, reflection, and escape.—
Brian Seibert,
New Yorker,
6 Feb. 2026
-
The slowness is part of its appeal.—
Kallie Plagge,
The Verge,
19 Jan. 2026
Noun
-
Today, that same intentional approach extends to a wide range of products addressing nearly every hair concern, from dryness and breakage to dullness.—
Kieaundria Bellamy,
InStyle,
21 Feb. 2026
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Once activated with water, rice powder and rice extract gently buff away dullness, while papaya enzymes dissolve dead skin cells without any harsh scrubbing.—
Lily Wohlner,
Allure,
1 Feb. 2026
Noun
-
Don’t be afraid of the foolishness.—
Selome Hailu,
Variety,
21 Feb. 2026
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Was her decision to push forward with a severe knee injury a calculated risk or stubborn foolishness?—
Los Angeles Times,
Los Angeles Times,
9 Feb. 2026
Noun
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Anode-free lithium-ion batteries promise even higher energy density than their anode-containing counterparts, and at a lower cost.—
Ameya Paleja,
Interesting Engineering,
19 Feb. 2026
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In addition, there is evidence that magnesium deficiency may be a risk factor for osteoporosis (low bone density).—
MD Published,
Verywell Health,
19 Feb. 2026
Noun
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Some may read this intro and roll their eyes, arguing that Lawrence’s patented self-deprecation and casual dorkiness are a big act.—
Tim Grierson,
Vulture,
8 Nov. 2025
Cite this Entry
“Boneheadedness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boneheadedness. Accessed 23 Feb. 2026.
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