Synonyms for Mistress:
n.chieftain, dictator, sweetheart, ladylove, boss, the Establishment, courtesan, enforcer, chief, paramour, autocrat, voluptuary, figurehead, concubine, demagogue, employer. ho, moll, someone's girl, inamorata, girlfriend. •harlot (noun)
fancy woman, girlfriend, sweetheart, concubine, moll, inamorata, kept woman, ladylove, courtesan, paramour.
kept woman, schoolmarm, fancy woman, schoolmistress.
girlfriend, kept woman.
cabin boy, footman, houseboy, amah, housemaid, girl, handmaiden, help, butler, domestic service.
honorific, jr., esq, Her/Your Ladyship, HON, judge, the Honorable, dame, justice.