brainy

word

Definition

Describes someone who is very intelligent or good at thinking, often in a clever or creative way. It is usually informal and can sound friendly or admiring.

Usage & Nuances

Informal and friendly; often used about students, kids, or friends in a positive way. Sometimes used playfully, but not usually in very formal writing. Can occasionally be teasing, so tone matters.

Example Sentences

He is the most brainy student in our class.

basic

She gave a very brainy answer to the question.

basic

My sister is very brainy and wins all the math prizes.

basic

Don’t worry if you’re not super brainy—everyone learns at their own pace.

natural

My friend is a bit brainy, but she’s also really funny.

natural

You don’t have to be brainy to enjoy this game—it’s just for fun!

natural