A woman other than his wife with whom a married man has an ongoing sexual relationship
by Allison July 15, 2003
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1.) a lonely female with no self-respect who willingly subjects herself to the marginal attention of married men
2.) enemy to the institution of marriage
3.) an example of female energy used for evil

4.) a married man's co-conspirator
5.) the puppet a married man keeps in his closet and pulls out only at night and only when no one else is around to witness its existance
6.) one who will never experience real romantic love, and seemingly has no desire for it

7.) a woman with no value other than that of sexual gratification
Recently, we have seen many famous men's lives and marriages come to ruin as a result of their relationships with a mistress(es).
by I said... February 5, 2010
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<ORIGIN> from the Old French maistresse, from maistre 'master'

Noun
1) - a woman in a position of authority or control.

<special usage> a woman who is skilled in a particular subject or activity. (possibly sexually)

2) - a woman having an extramarital sexual relationship, especially with a married man.

<special usage> a woman loved and courted by a man

3) - a woman that is the dominating role in a dominate/submissive relationship or arrangement.
1) - She is always the mistress of the situation.

2) - Donna thought her husband had a secret mistress she didn't know about.

3) - My 'slave' knows that if he disappoints his mistress he will surely be punished.

milf girlfriend sex married man submissive slave-owner dominating pleasurable
by N8mare13 October 11, 2012
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1. noun; In B/D and S/M, the woman who is dominant.
2. noun; Proper title of dominant woman in B/D and S/M relationship.
1. I am a dominant Mistress who is looking for a submissive slave to play with.
2. My name is Mistress Tiffany.
by J June 5, 2003
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A guy has to have a girl to have a mistress/side girl. A guy with no girl has no mistress.
by Solid Mantis May 24, 2019
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