brainiest

Sharpest of all

Brainiest is the superlative form of brainy—having the most intelligence or intellectual capacity in a group: She was the brainiest kid in her class.

The word is informal and slightly playful, more likely in casual conversation than academic writing.

genius

prodigy

Gifted youth with rare talent

virtuoso · polymath · Einstein · brilliant · smartest · clever · gifted · exceptional · intellectual · sharp

academic

scholarly

Marked by serious learning

learned · professor · researcher · valedictorian · honors · summa · thesis · dissertation · pedantic · highbrow

competitive

quiz bowl

Team trivia competition

decathlon · mathletes · honor roll · class rank · salutatorian · dean's list · scholarship · merit · award-winning · competition

Opposites
intelligence/cognitive ability

brainiestdumbest

Superlatively lacking intelligence

stupidest · dullest · densest · thickest · slowest

Family

brainier

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Positive · Everyday, not technical · Rated G