Synonyms of brainy

brainy

adjective

ˈbrā-nē 

as in intelligent

having or showing quickness of mind

a brainy student who didn't fit in socially

Synonyms & Similar Words

• intelligent
• clever
• smart
• quick
• brilliant
• fast
• bright
• sharp
• exceptional
• keen
• wise
• educated
• skilled
• nimble
• supersmart
• quick-witted
• sharp-witted
• hyperintelligent
• alert
• cunning
• resourceful
• cerebral
• literate
• sensible
• ingenious
• perceptive
• astute
• savvy
• creative
• erudite
• schooled
• sagacious
• insightful
• acute
• ultrasmart
• learned
• apt
• scholarly
• logical
• knowledgeable
• rational
• perspicacious
• heady
• discerning
• trained
• inventive
• well-read
• informed
• prudent
• genial
• judicious
• highbrow
• wily
• knowing
• sane
• sound
• reasonable
• shrewd
• crafty
• sapient
• sage
• percipient
• foxy

Antonyms & Near Antonyms

• dumb
• dense
• stupid
• simple
• brainless
• dopey
• unintelligent
• vacuous
• mindless
• obtuse
• slow
• dull
• doltish
• thick
• dim
• soft
• fatuous
• opaque
• brain-dead
• witless
• dorky
• senseless
• thickheaded
• pinheaded
• boneheaded
• weak-minded
• dunderheaded
• softheaded
• feebleminded
• silly
• simpleminded
• foolish
• dim-witted
• airheaded
• idiotic
• slow-witted
• empty-headed
• gormless
• bubbleheaded
• moronic
• lamebrain
• lunkheaded
• knuckleheaded
• imbecile
• unsmart
• half-witted
• ignorant
• thick-witted
• birdbrained
• uneducated
• chuckleheaded
• illiterate
• unintellectual
• uninformed
• nonintellectual
• unthinking
• unbrilliant
• zany
• untaught
• unacademic
• lowbrow
• nutty
• wacky
• kooky
• mad
• crazy
• daffy
• dippy
• insane
• absurd
• loony
• preposterous
• unwise
• nonsensical
• sappy
• harebrained
• cuckoo
• asinine
• balmy
• fool
• dotty
• daft
• half-baked
• screwball
• cockeyed
• crackpot
• boobish
• tomfool
• featherheaded

Example Sentences

Recent Examples of brainy

His shock engagement to Sarita (Hannah Simone), the brainy, beautiful sister of de facto trooper leader Thorny (director Jay Chandrasekhar), pits brother against family and bro against bro, even if Farva doesn’t register his colleague’s disgust. — Robert Abele, Los Angeles Times, 7 Aug. 2026

False morels look more brainy than real morels, often with more wrinkles, folds, and channels than true pores. — Katie Hill, Outdoor Life, 6 Aug. 2026

There’s also hints of vulnerability and genuine tenderness in her stern headmistress of the bedroom, which Wilde slips in just slyly enough to let the presence of a heart peek through all the brainy brashness and hormone overload. — David Fear, Rolling Stone, 30 July 2026

Octopuses are as clever, in their own way, as such famously brainy animals as crows, dolphins or chimpanzees. — Cody Cottier, Scientific American, 29 July 2026