\ ˈbrā-nē How to pronounce brainy (audio) \
brainier; brainiest

Definition of brainy

: having or showing a well-developed intellect : intelligent

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Other Words from brainy

braininess noun

Examples of brainy in a Sentence

Recent Examples on the Web

In that 1990 horror-comedy, a small Southwestern town called Perfection suffers from an infestation of people-eating sandworms (called Graboids) that local not-so-brainy beefcake Val McKee (Bacon) eventually beats back. Nathan Mattise, Ars Technica, "Kevin Bacon shares the Tremors TV pilot—Val is washed, Graboids are hungry," 9 June 2019 The brainy student — who scored in the top 1% of standardized test-takers like more than half of UCLA’s engineering students — plans to intern this summer at a Bay Area start-up that makes rockets to launch small satellites. Teresa Watanabe,, "$100-million gift to UCLA shows growing role of private donors in public universities," 4 June 2019 Indie bands like Franz Ferdinand and Belle & Sebastian have fused satisfying hooks with brainy nostalgia. John Adamian,, "Chvrches playing Scottish synth-pop at College Street," 28 June 2019 The year is 2019, and the brainy engineers of Silicon Valley are hunkered down, working on transformative, next-generation technologies like self-driving cars, digital currencies and quantum computing. Kevin Roose, New York Times, "Would You Pay $30 a Month to Check Your Email?," 27 June 2019 Bonnie favored the brainy lyricism of Simon and Garfunkel. Tribune News Service,, "The Man in the Window: Is this the childhood of a serial killer? (Part One)," 22 June 2019 Soderbergh specializes in great, unexpected endings, and this one has a final act that feels syncopated, weird, brainy. Taylor Antrim, Vogue, "Why Netflix's High Flying Bird Feels Like The Future of Movies," 8 Feb. 2019 Such brainy ideas might hold lessons for the AI community, furthering the back-and-forth between the two fields. Quanta Magazine, "New Theory Cracks Open the Black Box of Deep Learning," 21 Sep. 2017 The best lifetime strategy is a complex problem to solve, even for brainy people such as Mr Merton. The Economist, "Robert Merton and the effect of time on portfolio choice," 15 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brainy.' 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 brainy

1845, in the meaning defined above

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Dictionary Entries near brainy

brain wave







Statistics for brainy

Last Updated

18 Jul 2019

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Time Traveler for brainy

The first known use of brainy was in 1845

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More Definitions for brainy



English Language Learners Definition of brainy

informal : very intelligent


\ ˈbrā-nē How to pronounce brainy (audio) \
brainier; brainiest

Kids Definition of brainy

: very smart

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More from Merriam-Webster on brainy

Thesaurus: All synonyms and antonyms for brainy

Spanish Central: Translation of brainy

Nglish: Translation of brainy for Spanish Speakers

Comments on brainy

What made you want to look up brainy? Please tell us where you read or heard it (including the quote, if possible).


to form ideas or theories about something

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