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noun Common

brains

braynz

Brains (noun) means Mental ability or intelligence. Example: “It took real brains to solve that puzzle so fast.”

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.

Related words

Rhymes for brains

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Frequently asked questions

What does “brains” mean?

The word “brains” means mental ability or intelligence. In plain terms, cleverness, or the clever person driving a plan.

How do you pronounce “brains”?

“Brains” is pronounced braynz (/bɹeɪnz/ in IPA).

How do you use “brains” in a sentence?

Here is “brains” used in a sentence: “It took real brains to solve that puzzle so fast.”

What part of speech is “brains”?

“Brains” is a noun.

Is “brains” a common word?

“Brains” is a fairly common word in modern English.

How many meanings does “brains” have?

“Brains” has 2 distinct senses listed in this dictionary. The most common is: mental ability or intelligence.

Is brains singular or plural?

Brains is plural in form, and in the sense of intelligence it behaves like a plural noun: 'use your brains.' But when it means the person behind the ideas and planning, it names a single individual despite the plural form: 'he is the brains of the outfit.' Both patterns are standard English.

What is the difference between brains and brawn?

Brains stands for mental ability and intelligence; brawn stands for physical strength. The pairing is proverbial — 'brains over brawn' argues that cleverness beats muscle, and 'the brains and the brawn' divides a team into its thinker and its strongman. Someone described as 'all brawn and no brains' is strong but slow-witted.

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