Synonym: housekeeper, matron, woman. Antonym: master. Similar words: headmistress, distress, distressed, distressing, distressingly, mistreat, mistreated, stress. Meaning: ['mɪstrɪs] 
n. 1. an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man 2. a woman schoolteacher (especially one regarded as strict) 3. a woman master who directs the work of others.
n. 1. an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man 2. a woman schoolteacher (especially one regarded as strict) 3. a woman master who directs the work of others. 
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1 Experience is the mistress of fools. 
2 Lizzie, fetch your mistress her shawl.
3 All the girls like their new English mistress.
4 I'll inform the mistress of your arrival, madam.
5 She was his mistress for three years.
6 Is the mistress of the house in?
7 The woman in the painting is the artist's mistress.
8 He is her lover; she is his mistress.
9 The maid looked nervously at her mistress.
10 The huge wolfhound danced in circles around his mistress.
11 Is your mistress at home?
12 She is the mistress of plain speech.
13 Does his wife know he has a mistress?
14 She got a good report from her German mistress.
15 She likes being her own mistress,[www.Sentencedict.com] and not having to work for someone else.
16 She appeared to be very much the mistress of the situation.
17 She wants to be mistress of her own affairs .
18 I was taken over one by my History mistress.
19 Harris claims she was the millionaire's mistress.
20 The mistress ordered Rose off the premises.
21 Rudd went on to become Boswell's mistress.
22 For one, a mistress who kept her mouth shut.
23 He kept his mistress in an apartment in Moscow.
24 Am I not your mistress in masquerade ... Trader?
25 Then be the charming Mistress of thy Gold.
26 A mistress was given money to buy food.
27 He finally married his mistress Kathleen in jail.
28 The Prince had shocked society by living openly with his mistress.
29 He was born in 1798, the bastard son of a country squire and his mistress.
30 Ellis plays the part of the young lover spurned by his mistress.
More similar words: headmistress, distress, distressed, distressing, distressingly, mistreat, mistreated, stress, mistreatment, stressed, stressor, stressful, overstress, extremist, tress, mistrust, chemistry, mistrial, buttress, fortress, actress, tresses, last resort, mattress, waitress, biochemistry, lustreless, pessimist, buttressing, photochemistry.