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
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The chaotic family life was cited when Cary Stayner pleaded not guilty by reason of insanity to the tourists’ murders; he was found mentally fit to stand trial.—
Bay Area News Group,
Mercury News,
4 May 2026 -
Call it a runner's high or insanity; the marathon takes just about everything a person can muster up physically and mentally.—
CBS News,
CBS News,
30 Apr. 2026
Noun
-
Diaz’s face was split open by the end of the second round, the canvas looked like a crime scene and Perry stormed around the cage afterward, demanding a fight with Paul while fans stood on chairs trying to film the madness below them.—
Alejandro Avila OutKick,
FOXNews.com,
17 May 2026
-
My ideal version is bringing a book and eating my Mixue ice cream out there for twenty minutes before heading back into the madness.—
Shivani Vora,
Forbes.com,
17 May 2026
Noun
-
That’s a third of the thickness of the stones used in Color Blossom’s jewelry designs.—
Lily Templeton,
Footwear News,
15 May 2026
-
Let rest for 5 to 10 minutes depending on the thickness, giving the juices time to redistribute before cutting in.—
Katie Rosenhouse,
Southern Living,
15 May 2026
Noun
-
The challenge is staying true to its simplicity while expanding.—
Ellen Sheng,
CNBC,
19 May 2026
-
His advice for men starting from scratch is a model of French simplicity.—
Pooja Mistry,
Forbes.com,
18 May 2026
Noun
-
And not just because one of the leading contestants torched himself and his political livelihood in a bonfire of hubris and stupidity.—
Los Angeles Times,
Los Angeles Times,
10 May 2026
-
That men like Mark Zuckerberg and Elon Musk are entrusted with businesses of tectonic influence can be difficult to understand, but their cults of personality have been able to survive scrutiny, perhaps because the money itself is too imposing a firewall for their own stupidity to penetrate.—
Scott Tobias,
Vulture,
19 Apr. 2026
Noun
-
While her defensive energy contributed to the team’s depth, a scoreless night highlighted the utter absurdity of the league elevating a backup guard over the most prolific scorer in basketball history, especially on a night when the team was already missing its star center.—
Alejandro Avila OutKick,
FOXNews.com,
18 May 2026
-
Some viewers even felt its liberal use of absurdity in fact grounded the show in the real world compared to the high-minded weepies on daytime, achieving honesty through nontraditional means.—
Literary Hub,
Literary Hub,
18 May 2026
Noun
-
There’s the White House and its malicious megaphone of mindlessness; the generative AI advocates and their pushy, pathetic ploys; the Major League Baseball owners and their dedication to self-destruction.—
Ben Travers,
IndieWire,
20 Feb. 2026
-
The show’s real villain is mindlessness, in other words.—
Shirley Li,
The Atlantic,
5 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
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Cite this Entry
“Brainlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainlessness. Accessed 21 May. 2026.
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