Dictionary.com

brainy

[ brey-nee ]
/ ˈbreɪ ni /
See synonyms for brainy on Thesaurus.com

adjective, brain·i·er, brain·i·est.Informal.

intelligent; clever; intellectual.

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Origin of brainy

First recorded in 1835–45; brain + -y1

OTHER WORDS FROM brainy

brain·i·ly, adverbbrain·i·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Words related to brainy

brilliant, bright, clever, intellectual, sapient, smart

Example sentences from the Web for brainy

  • Mr. Miller: "I believed them sincere particularly the brainier men."

    The Pullman Boycott|W. F. Burns

  • Mr. Mix knew that he was brainier than John Starkweather; he admitted it.

    Rope|Holworthy Hall

  • Rosalind not like Beatrice, Eleanor like Beatrice, only wilder and brainier.

    This Side of Paradise|F. Scott Fitzgerald

British Dictionary definitions for brainy

brainy
/ (ˈbreɪnɪ) /

adjective brainier or brainiest

informal clever; intelligent

Derived forms of brainy

brainily, adverbbraininess, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012