American Dictionary

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Definition mate in American English

mate noun

noun
/meɪt/
1

someone's sexual partner

Example

It was very humiliating to have her desirability as a mate questioned.

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1.1

an animal's sexual partner

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2

a junior officer in a navy

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2.1

a junior worker who works with someone who is more experienced

Example

a plumber's mate

3

an object that belongs with another and forms a pair with it

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4

checkmate in the game of chess

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5

a friend

Example

He's over there, talking to his mates.

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5.1

used for talking in a friendly way to someone, especially a man

Example

Thanks, mate.

Synonyms and related words
Definition mate in American English