1
as in insanity
lack of good sense or judgment
had the inexplicable brainlessness to sell his car for half of what it was worth
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in stupidness
the quality or state of lacking intelligence or quickness of mind
the turkey is one bird that has often been cited for its brainlessness
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for brainlessness
Noun
-
Vulnerability, fragility, insanity, real innocence … but also confusion, depression, extreme hurt, anger … stuck in our heads.—
Jack Irvin,
PEOPLE,
21 Jan. 2026 -
Uthmeier is now calling on the Florida Legislature to narrow the insanity defense to ensure violent offenders stay confined in either prison or mental institutions.—
Sarah Rumpf-Whitten,
FOXNews.com,
20 Jan. 2026
Noun
-
There was a certainly a lot going on, but there was also a distinctive method to the madness, with the navys, blacks, and shades of brown complementing each other perfectly.—
Meg Walters,
InStyle,
18 Jan. 2026
-
None of them had any idea as to what was wrong with Nix until Payton, in street clothes, strode back to the postgame podium for the second time Saturday night after the madness cleared.—
Luca Evans,
Denver Post,
17 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
-
But accessibility is often confused with simplicity.—
Tony Bradley,
Forbes.com,
20 Jan. 2026
-
When time is short, that simplicity is often what makes a gift feel thoughtful rather than last-minute.—
Nia Bowers,
USA Today,
19 Jan. 2026
Noun
-
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
-
But the comedians also used those laughs to reveal the fundamental absurdity of violence and conflict.—
Literary Hub,
Literary Hub,
7 Jan. 2026
-
Rather than focusing solely on superpowers, the series leans into the absurdities and insecurities of the entertainment industry, pulling back the curtain on fame, failure, and second chances.—
Okla Jones,
Essence,
5 Jan. 2026
Noun
-
Compare that to punk rock, which used dumbness as a tactic.—
Arkansas Online,
Arkansas Online,
14 Aug. 2025
Noun
-
The pressure brought forth both boneheadedness and brilliance.—
The Athletic Staff,
New York Times,
28 Oct. 2025
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Cite this Entry
“Brainlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainlessness. Accessed 22 Jan. 2026.
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