as in stupidity
the quality or state of lacking intelligence or quickness of mind
I'm not sure if he leaves his front door unlocked from carelessness or just plain stupidness
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for stupidness
Noun
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So please excuse my ignorance and stupidity here, but.—
Outside Online,
Outside Online,
17 Dec. 2025 -
That’s how stupidity often is—causing problems, but also presenting opportunities.—
Joshua Rothman,
New Yorker,
5 Dec. 2025
Noun
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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
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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
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Compare that to punk rock, which used dumbness as a tactic.—
Arkansas Online,
Arkansas Online,
14 Aug. 2025
Noun
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After all, the best homes are born out of slowness rather than speed.—
Shagun Khare,
The Spruce,
9 Jan. 2026
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But smaller and niche-y vendors have been reluctant to ship the company this year given the retailer’s slowness in paying, leaving it without enough on its floors to regain sales.—
Evan Clark,
Footwear News,
29 Dec. 2025
Noun
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Navarro devoted a chapter to the seductive foolishness of protectionist trade policies.—
Ian Parker,
New Yorker,
22 Dec. 2025
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The captain of the boat Zoë and Sarah came on watches them from afar, shaking his head at English foolishness.—
Rafaela Bassili,
Vulture,
3 Dec. 2025
Noun
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Anua Niacinamide 10 + TXA 4 Serum The first line of defense this serum targets is dullness.—
Reece Andavolgyi,
InStyle,
11 Jan. 2026
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Fraxel can improve the skin’s overall appearance, addressing everything from uneven tone and dullness to age spots to acne scars and wrinkles.—
Whitney Perry,
Glamour,
6 Jan. 2026
Noun
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She was found not guilty by reason of insanity in 2006 and was placed in a maximum-security psychiatric center in Texas, where she's resided ever since.—
Emily Blackwood,
PEOPLE,
10 Jan. 2026
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In addition, only 26% of defendants raising the insanity defense were found not guilty by reason of insanity.—
Martha Ross,
Mercury News,
9 Jan. 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
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Cite this Entry
“Stupidness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stupidness. Accessed 20 Jan. 2026.
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