1
as in dumb
not having or showing an ability to absorb ideas readily
a teacher who affirms that there are no brainless students, only lazy ones
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Antonyms & Near Antonyms
2
as in stupid
showing or marked by a lack of good sense or judgment
a brainless decision to talk on her cell phone while weaving in and out of traffic
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Example Sentences
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Recent Examples of brainless
There's really no way to prep for the show — basically, just don't be brainless.
—
Lindsay Soll, EW.com, 25 July 2025
The O’Haras happen to move in next door to him.
Frothy and often filthy without being brainless (send thanks across the Atlantic for that good British dialogue), this is escapism done right.
—Judy Berman, TIME, 30 Oct. 2024
So, what can the neuronal activity of a tiny, brainless creature possibly tell us about the evolution of our own complex brains?
—Elizabeth Rayne, Ars Technica, 15 June 2024
An oyster, immobile and nearly brainless, is hardly even an animal, despite what the taxonomists tell us.
—Peter Rubin, Longreads, 9 Jan. 2024
See All Example Sentences for brainless
Lindsay Soll, EW.com, 25 July 2025
The O’Haras happen to move in next door to him.
Frothy and often filthy without being brainless (send thanks across the Atlantic for that good British dialogue), this is escapism done right.
—Judy Berman, TIME, 30 Oct. 2024
So, what can the neuronal activity of a tiny, brainless creature possibly tell us about the evolution of our own complex brains?
—Elizabeth Rayne, Ars Technica, 15 June 2024
An oyster, immobile and nearly brainless, is hardly even an animal, despite what the taxonomists tell us.
—Peter Rubin, Longreads, 9 Jan. 2024
See All Example Sentences for brainless
Recent Examples of Synonyms for brainless
Adjective
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Rock and pop are often unsophisticated, or downright dumb.—
Jed Gottlieb,
Boston Herald,
26 Mar. 2026
-
Urban infrastructure, after all, is still pretty dumb—forcing robotaxis to be designed around transit systems that are decades old.—
Nicholas Gordon,
Fortune,
26 Mar. 2026
Adjective
-
Of course, sometimes the situation is more serious than stupid.—
Isaac Stanley-Becker,
The Atlantic,
31 Mar. 2026
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The American people are not stupid and will not accept more failure theater from Republicans in Congress.—
Lauren Green,
The Washington Examiner,
25 Mar. 2026
Adjective
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In fact, businesses hired workers at their slowest pace since 2011, excluding the onset of the pandemic in 2020.—
Morgan Chittum,
CNBC,
3 Apr. 2026
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The area’s large tourist population contributes a constant volume of unfamiliar drivers to already heavily congested roads, with traffic patterns that shift significantly between peak tourist season and the summer months but never truly slow to manageable levels on the area’s major corridors.—
Anton Lucanus
April 3,
Miami Herald,
3 Apr. 2026
Adjective
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Evening rush-hour commuters — who thought winter was over — felt foolish after the city was socked with a record-breaking spring snowfall.—
Kori Rumore,
Chicago Tribune,
1 Apr. 2026
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The glamorous branding of premium cards can also lead some consumers to make foolish mistakes by running up high-interest credit card debt.—
Jeff John Roberts,
Fortune,
30 Mar. 2026
Adjective
-
Build buffer time, trim one commitment, then return to the itinerary with even gentler expectations and a simpler packing list.—
Tarot.com,
Hartford Courant,
2 Apr. 2026
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Parents, guardians, aunts and uncles don't have time to read every book on the shelf while trying to pick something for the young reader in their life, so here are some simple ways to determine if a book is suitable for that child.—
Cody Godwin,
USA Today,
2 Apr. 2026
Adjective
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The group never uses the word unless there is something silly going on.—
Literary Hub,
Literary Hub,
3 Apr. 2026
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For Grabinski, what unites all of these projects is the fine art of creating a world that is emotionally smart yet deeply silly, fun, and expressive.—
Sarah Shachat,
IndieWire,
2 Apr. 2026
Adjective
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Louise touched her phone screen to look at the picture of Diana again—gorgeous Diana smiling into the wind, all that thick hair billowing.—
Catherine Lacey,
New Yorker,
5 Apr. 2026
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The slide appears to have involved a thick slab of soft snow breaking loose at a weak layer in the snowpack, the report said.—
Ethan Baron,
Mercury News,
4 Apr. 2026
Adjective
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This is not your $65,000-a-year job, someone who’s a janitor and is trying to talk in a school board meeting who really could lose his job for this opinion, which is insane.—
Ryan Morik,
FOXNews.com,
2 Apr. 2026
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Three years after Steven Yeun and Ali Wong captured the attention of viewers eager to see the culmination of their characters' insane road rage fight, the drama series is back, this time focusing on two couples with a new kind of beef.—
Madeleine Janz,
PEOPLE,
1 Apr. 2026
Cite this Entry
“Brainless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainless. Accessed 6 Apr. 2026.
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