1. mistress - Noun
2. mistress - Verb
A woman having power, authority, or ownership; a woman who exercises authority, is chief, etc.; the female head of a family, a school, etc.
A woman well skilled in anything, or having the mastery over it.
A woman regarded with love and devotion; she who has command over one's heart; a beloved object; a sweetheart.
A woman filling the place, but without the rights, of a wife; a concubine; a loose woman with whom one consorts habitually.
A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman.
A married woman; a wife.
The old name of the jack at bowls.
To wait upon a mistress; to be courting.
Source: Webster's dictionaryArt is a jealous mistress. Ralph Waldo Emerson
Simplicity is the most deceitful mistress that ever betrayed man. Henry Adams
When a man marries his mistress it creates a job vacancy. James Goldsmith
He is a fool that kisseth the maid when he may kiss the mistress. English Proverb
Desperation is the mistress of the impossible. Spanish Proverb
The mistress is queen, the wife is the slave. Portuguese Proverb