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
-
Project Silica writes data in hundreds of layers throughout the entire 2-mm thickness of the glass.—
New Atlas,
New Atlas,
21 Feb. 2026
-
With a nice thickness that didn't run all over the plate, and a balanced sweetness with strong maple flavors, our editors thought this would be an ideal pancake syrup.—
Melinda Salchert,
Southern Living,
20 Feb. 2026
Noun
-
Any who show up are declaring their indelible stupidity and misogyny.—
Gil Kaufman,
Billboard,
24 Feb. 2026
-
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
Noun
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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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That slowness also applies to the mail itself.—
Shelley Jones,
Chicago Tribune,
25 Feb. 2026
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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
Noun
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Common options include retinol or retinaldehyde for fine lines and texture, and alpha hydroxy acids, used sparingly, for dullness.—
Allison Palmer
Updated February 25,
Miami Herald,
25 Feb. 2026
-
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
Noun
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There was no foolishness tolerated from him and, of course, Magic, his lieutenant.—
Broderick Turner,
Los Angeles Times,
22 Feb. 2026
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Don’t be afraid of the foolishness.—
Selome Hailu,
Variety,
21 Feb. 2026
Noun
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Currently, there's really no beating lithium-ion batteries in terms of energy density and light-weight form factors.—
New Atlas,
New Atlas,
25 Feb. 2026
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Some of the figurines, which were found to have a higher information density compared with the tools, depicted human-lion hybrids, perhaps as a form of connection to or appreciation for the land’s top predator, according to the study authors.—
Jacopo Prisco,
CNN Money,
25 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 2 Mar. 2026.
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