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noun

brains

braynz
noun
1
Mental ability or intelligence.
"It took real brains to solve that puzzle so fast."
2
The person or people responsible for the ideas and planning behind something.
"She's the brains of the whole operation."

How to Use Brains

Learner’s notes

In plain EnglishCleverness, or the clever person driving a plan.

Common pairings
use your brains the brains behind brains and brawn
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It took real _____ to solve that puzzle so fast.

Rhymes for brains

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Definitions: FreeDict original editorial