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Noun: mistress  mis-tris
  1. An adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man
    - kept woman
  2. A woman schoolteacher (especially one regarded as strict)
    - schoolmarm [N. Amer], schoolma'am, schoolmistress
  3. A woman master who directs the work of others

Derived forms: mistresses

Type of: adult female, employer, lover, school teacher, schoolie [Austral], schoolteacher, woman

Encyclopedia: Mistress