This is the 4473rd most frequent Japanese word.
夫人
"夫人" means "wife" or "madam," often used as a formal title for a married woman.
夫人 is used here as a formal address to a lady, indicating politeness and respect.
夫人は素晴らしい歌手ですね。
The lady is a wonderful singer.
夫人 refers to someone's wife; the context provides association with another individual.
先生の夫人にお会いしました。
I met the teacher's wife.
夫人 is used as a title accompanying a surname, majorly signifying respect towards the married woman.