noun

mistress

mistress, lover

He had a mistress for many years.

He had a mistress for many years.

She was the mistress of the large estate.

She was the mistress of the large estate.

((sb.'s)) mistress sb.'s lover He had a mistress for many years.

mistress of ((sth.)) female head of (sth.) She was the mistress of the large estate.

Synonyms: lover, paramour; Antonyms: wife

From Old French 'maistresse', feminine of 'maistre' (master). Related to 'master'.

Think of the 'miss' part as a woman who is not the 'Mrs.' (the wife).

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