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

Definition of brainy

: having or showing a well-developed intellect : intelligent

Keep scrolling for more

Other Words from brainy

braininess noun

Examples of brainy in a Sentence

Recent Examples on the Web Every year since its founding in 1973, the NIHF welcomes a new group of brainy hotshots to join its ranks. Michael Calore, Wired, "The Inventors Hall of Fame Honors Pioneering Brainiacs," 7 Jan. 2020 In these cities, brainy people from all around the world come together and bounce ideas off each other. The Economist, "Skilled migrantsHow migration makes the world brainier," 14 Nov. 2019 While Niccol's theme is a winning one, and his premise perceptively brainy, Gattaca is of inferior stock in its narrative backbone. Duane Byrge, The Hollywood Reporter, "'Gattaca': THR's 1997 Review," 24 Oct. 2019 Catherine, born Princess Sophie of Anhalt-Zerbst, was a super-brainy German teenager when the Russian imperial family tapped her to fill the role of the future Czar Peter III’s consort. Dan Hofstadter, WSJ, "‘Diderot’ Review: Wherever His Mind Led Him," 15 Feb. 2019 And the key characters from the show — including N.C. himself and brainy, tech-forward bunny Daisy — are on hand in large, vivid models. Steve Johnson,, "Hit ‘Nature Cat’ kids PBS show gets the museum treatment at the Kohl," 31 July 2019 So Christian, Mark and their not-brainy enough pal Josh (William Jackson Harper) scope out the scene and the locals. Manohla Dargis, New York Times, "‘Midsommar’ Review: Building a Horror Møusetrap With Swedish Bait," 2 July 2019 The Cars were a brainy band, but this is an openly dumb song that hit No. 4 on the charts because of its dance pulse. Steve Morse,, "The best of the Cars, in 10 songs," 11 Apr. 2018 Cal’s challenges As thousands of brainy students and professors stream back to class, UC Berkeley must contend with a housing crisis, lack of diversity and other problems at the school considered the best public university in the country. Taylor Kate Brown,, "Bay Briefing: ‘Very tragic’ boat fire off Southern California shoreline," 3 Sep. 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.

See More

First Known Use of brainy

1845, in the meaning defined above

Keep scrolling for more

Learn More about brainy

Time Traveler for brainy

Time Traveler

The first known use of brainy was in 1845

See more words from the same year

Statistics for brainy

Last Updated

17 Jan 2020

Cite this Entry

“Brainy.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

Keep scrolling for more

More Definitions for brainy


How to pronounce brainy (audio)

English Language Learners Definition of brainy

informal : very intelligent


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

Kids Definition of brainy

: very smart

Keep scrolling for more

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).


experienced by way of someone else

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!