mistress

Pronunciation

• enPR: mĭsʹtrĭs, IPA ^(key): /ˈmɪstrɪs/

• Audio (US)

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Noun

Singular mistress

Plural mistresses

1. (countable) A mistress is a woman that a married man is having an affair with. She is not the man's wife, but the other woman that he is having a romantic or sexual relationship with. Usually, a mistress is kept secret.