is an umbrella term used to describe a woman who undergoes a sexual relationship or continued sexual carnal activities with a married man.

MISTRESS: "Mistress' were common in the Edwardian and Victorian times, they are becoming less popular as a social convention now."
Cite this page: N., Pam M.S., "MISTRESS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/mistress/ (accessed May 10, 2021).