brain·​less | \ ˈbrān-ləs How to pronounce brainless (audio) \

Definition of brainless

1 : devoid of intelligence : stupid a brainless decision
2 : not demanding understanding or intelligence : dull, stupefying a brainless task brainless repetition
3 : lacking a brain brainless organisms

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Other Words from brainless

brainlessly adverb
brainlessness noun

Examples of brainless in a Sentence

He thought most of his coworkers were brainless. The plot of the new movie is brainless and the acting is terrible.
Recent Examples on the Web Be Our Chef is a charmingly peppy, brainless half-hour. Robyn Bahr, The Hollywood Reporter, "'Be Our Chef': TV Review," 26 Mar. 2020 Some amount of activity to stimulate conversation, but of the brainless variety. Amanda Sims Clifford, House Beautiful, "I Miss Everyone So Much—But I'm Seeing Them So Much More," 23 Apr. 2020 However, things quickly turned sour for the London side, after the ever-brainless Serge Aurier was sent off on the 30 minute mark following two quick bookings., "Tottenham 2-1 Southampton: Report, Ratings & Reaction as Harry Kane Is the Hero Once Again," 28 Sep. 2019 Desperate to meet women and open their own dance club, brainless brothers Steve and Doug Butabi cruise Beverly Hills. Los Angeles Times, "Movies on TV this week Sept. 15, 2019: ‘Alien,’ ‘Aliens’ and more," 13 Sep. 2019 Exactly like junk food, some inputs feel good in the moment but take a toll over the long-term: gossip, brainless reality TV shows, jealousy-inducing social media posts, and mind-numbing small talk. Josh Linkner, Columnist, Detroit Free Press, "What are you feeding your mind? Hopefully not the mental equivalent of junk food," 14 Dec. 2019 Desperate to meet women and open their own dance club, brainless brothers Steve and Doug Butabi cruise Beverly Hills. Los Angeles Times, "Movies on TV this week Sept. 15, 2019: ‘Alien,’ ‘Aliens’ and more," 13 Sep. 2019 The Belgians haven't been helped in having sub-standard options at full-back supporting them, with Serge Aurier continuing to be brainless and Danny Rose being at fault for nearly a goal a game., "Fixing Tottenham: Every Move the Lilywhites Need to Make to Solve the Current Crisis," 8 Oct. 2019 Bubbly, brainless and suffering a terminal case of vocal fry, Madison might well have been a throwaway dumb-blonde caricature. John Defore, The Hollywood Reporter, "'Zombieland: Double Tap': Film Review," 16 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brainless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of brainless

15th century, in the meaning defined at sense 1

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The first known use of brainless was in the 15th century

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Cite this Entry

“Brainless.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

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More Definitions for brainless



English Language Learners Definition of brainless

informal : very stupid or silly

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Thesaurus: All synonyms and antonyms for brainless

Nglish: Translation of brainless for Spanish Speakers

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