brainier; brainiest
Synonyms of brainynext
: having or showing a well-developed intellect : intelligent
braininess noun

Examples of brainy in a Sentence

a brainy student who didn't fit in socially
Recent Examples on the Web
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.
But the opportunity to mentor Tien — a rising 20-year-old American with a brainy game and similar background — proved intriguing. Douglas Robson, Los Angeles Times, 10 Mar. 2026 With tribe immunity at a premium in these early episodes, the targets may well be the players known as brainy schemers rather than brawny athletes. Joe Reid, Vulture, 25 Feb. 2026 Gone are the days of a brawny construction worker or brainy engineer stepping up to build a sturdy shelter, winning the admiration (or the loathing) of their new tribemates. Kristen Geil, Outside, 24 Feb. 2026 Luis Sherlinee is warm and amiable as Reina’s protective brother and the brainy Cruz. Pam Kragen, San Diego Union-Tribune, 23 Feb. 2026 See All Example Sentences for brainy

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of brainy was in 1845

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Cite this Entry

“Brainy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brainy. Accessed 18 Mar. 2026.

Kids Definition

brainy

adjective
brainier; brainiest
braininess noun

More from Merriam-Webster on brainy

Last Updated: - Updated example sentences
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