Thesaurus.com
Dictionary.com
Definitions

brainy

[brey-nee] / ˈbreɪ ni /
ADJECTIVE
intelligent
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 1978, the New Yorker called Keaton “one of the most comedically pure and brainy actresses in our midst.”

From The Wall Street Journal • Dec. 23, 2025

What do you get for the brainy science lover who seems to know everything?

From The Wall Street Journal • Nov. 21, 2025

Sir Stephen Fry lived up to his brainy reputation over breakfast, by predicting the chessboard was back: "I could be a knight - oh, I already am," he joked.

From BBC • Oct. 23, 2025

In a bright, charismatic performance, McCalla’s Elinor brings to life the character’s brainy charm and self-possession.

From Los Angeles Times • Apr. 14, 2025

But I had a striking sense that if I’d had a son, he would, at the core, be a lot like this brainy, combative oddball sitting in a musty apartment in a small Idaho town.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "brainy" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com