Meaning & use
brainy
Last updated
Intelligent; having a lot of mental ability.
See it in a sentence
Her brainy older brother won every academic prize at school.
The brainy detective solved the case before anyone else noticed the clues.
A note on using this word
An informal, slightly playful word for 'intelligent,' common in everyday conversation rather than formal writing.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
dim-wittedslow
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