Definition of "brainy" []

• Informal Intelligent; smart. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Remy Bumppo Theatre Company, which specializes in brainy, challenging scripts, is doing a real service to the republic of letters by producing "Night and Day," the most obscure of Tom Stoppard's major plays."
• "I've noted before how the printed page tends to flatter the screamy rather than the brainy companions, and Peri, though nominally brainy, is in fact screamy."
• "Ms. Steele, with her slim face and eager smile, has been described as "brainy.""