A woman, specifically one with great control, authority or ownership / A female teacher / The other woman in an extramarital relationship, generally including sexual relations / A dominatrix

(transitive, rare) Of a woman: to master; to learn or develop to a high degree of proficiency. / (intransitive) To act or take the role of a mistress.

(archaic) Used as the title of a married woman before her name. Now used only in the abbreviated form Mrs. / (BDSM) Used as the title of a female dominant.

plural of mistress

Archaic spelling of mistress.

present participle of mistress

simple past tense and past participle of mistress

plural of Mistress

(performing arts) A woman in charge of the procurement, maintenance, and inventory of the costumes and other clothing worn by performers.

plural of wardrobe mistress