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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of brainless
This extends well beyond the 2025 Bombers, their signature head-scratching and somewhat brainless play on the field has plagued them dating back to 2021.
—
James O'Connell,
New York Daily News,
7 Aug. 2025
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
See All Example Sentences for brainless
James O'Connell,
New York Daily News,
7 Aug. 2025
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
See All Example Sentences for brainless
Recent Examples of Synonyms for brainless
Adjective
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Not all blondes are dumb, don’t judge a book by its cover, yada yada yada, lo and behold, Reese Witherspoon is a certified movie star.
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Though Cady has made some gestures toward helping the Bowdens, like his behind-the-scenes effort to get one of Anna’s death-row clients exonerated last week, Tom and Anna should not be so dumb as to ignore his ulterior motives.
Adjective
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But even the most perfect Constitution can be undone by the wicked with the help of the bought, the stupid, and the cowardly.
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White can believe Hokit said something stupid and still believe fighters should be allowed to speak for themselves.
Adjective
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What to expect over the weekend Though Friday was expected to be the slowest day of the competition, the atmosphere at Cal Expo was anything but dull.
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Some residents are calling for civilian volunteers to help clear debris, frustrated by the slow pace of the rescue operations.
Adjective
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Further, Plato’s disdain for Gorgias, Antisthenes’ first teacher, and sophistry in general is clear; in the Platonic dialogue Gorgias, the titular character is made out to be rather foolish.
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One is villianized and one is made to look foolish.
Adjective
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The questions Campbell needs to answer are simple.
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Get inspired by a weekly roundup on living well, made simple.
Adjective
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Over the years, the visuals dramatically improve, from snuff film aesthetics to confidently silly splendor.
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The Alexa smart assistant is as good as ever, with tons of useful and silly skills, along with deep integration for ordering items via Amazon.
Adjective
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Measuring less than a millimeter thick, this sensor basically acts like a neuron in our brain, processing and keeping the information even after the original signal is gone.
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ZDNet Korea also reported that the Wide Fold uses 60μm ultra-thin glass on its inner display, 30% thicker than the 45μm used on the Z Fold 8 Ultra.
Adjective
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The Lenovo ThinkBook 16 Gen 8 laptop shows up ready to work with a snappy Intel Core Ultra 7 processor, insane 32GB of RAM, and spacious 2TB SSD in its (figurative) briefcase.
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Eventually, though, Lestat breaks, coming clean about his tumultuous past with first lover Nicolas de Lenfent (Joseph Potter), who went insane after being attacked by Armand (Assad Zaman) in Paris in the late 18th century.
Cite this Entry
“Brainless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainless. Accessed 1 Jul. 2026.
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