brainless

adjective

ˈbrān-ləs How to pronounce brainless (audio)
Definition of brainlessnext
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

Synonyms & Similar Words

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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

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 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
  1. dumb
  2. stupid
  3. slow
  4. foolish
  5. simple
  6. silly
  7. thick
  8. insane
Adjective
  • Perhaps in writing it, Salinger was trying to negotiate whether his remarkable survival through some of the war’s worst gauntlets could be chalked up to dumb luck, or divine intervention.
    — Literary Hub, Literary Hub, 10 Aug. 2026
  • Approaching the plant, there are no telltale dumb-bell silhouettes on the horizon signaling its presence.
    — Ramy Inocencio, CBS News, 5 Aug. 2026
Definition of dumb
Adjective
  • The case that American leadership in this technology carries a genuine security dimension has never looked stupid to me.
    — Jason Snyder, Forbes.com, 8 Aug. 2026
  • The women are in stupid costumes (Heather Gay is dressed as a leprechaun at one point) and yelling at one another for yet-unknown reasons.
    — Jason P. Frank, Vulture, 6 Aug. 2026
Definition of stupid
Adjective
  • Researchers used the device to process time-series data, including signals that contained both rapid and slow changes.
    — Neetika Walter, Interesting Engineering, 8 Aug. 2026
  • However, there is another, slower and more insidious evacuation taking place, and that is the steady migration from rural areas all around the world to burgeoning cities, which now host more than half the world’s population.
    — John Vaillant, Time, 8 Aug. 2026
Definition of slow
Adjective
  • All of this is to say that where liabilities are involved, don't be penny wise and pound foolish.
    — Jay Adkisson, Forbes.com, 11 Aug. 2026
  • As some of us will inevitably succumb to its grand and growing illusion, the rest may get the opportunity to find the key to understanding how so many others could be fooled and so foolish.
    — Letters to the Editor, The Orlando Sentinel, 9 Aug. 2026
Definition of foolish
Adjective
  • The task seemed like a simple one for a digital agent, as the booking form was online.
    — Beatrice Nolan, Fortune, 11 Aug. 2026
  • Mungiu refuses to supply easy answers or simple paths to identification in this compelling provocation, which poses unresolvable questions to viewers about our biases and presumptions.
    — Jill Goldsmith, Deadline, 11 Aug. 2026
Definition of simple
Adjective
  • Every season of Strange New Worlds has featured at least one episode that emphasizes Star Trek’s silly side (and this may not be the last such outing in season four).
    — Keith Phipps, Vulture, 6 Aug. 2026
  • The silly yellow fruit that became a part of their culture was freighted, from the start, with suggestive meaning.
    — Literary Hub, Literary Hub, 5 Aug. 2026
Definition of silly
Adjective
  • The images her sister captured after the strike show the trajectory of the projectile, which ripped through floor after floor, and left a gaping hole covered in a thick layer of white dust.
    — Ava Bambuck, CNN Money, 6 Aug. 2026
  • Spread the vanilla Greek yogurt into an even layer, about ½ inch thick.
    — Sharon Lawson, CBS News, 6 Aug. 2026
Definition of thick
Adjective
  • However, Storm co-owner Celeste Keaton was fined and suspended for five games after last Tuesday’s contest, when two girls sitting courtside in support of Cunnigham said Keaton cursed at them and called them insane.
    — Sabreena Merchant, New York Times, 4 Aug. 2026
  • Continue reading … VIRUS RECKONING — COVID fury explodes as Fauci hearing revives 'insane' lockdown nightmare tales.
    — , FOXNews.com, 31 July 2026
Definition of insane

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braining
brainless
brainlessness
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Cite this Entry

“Brainless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainless. Accessed 12 Aug. 2026.

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Nglish: Translation of brainless for Spanish Speakers

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