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English definition of “Mr.”

Mr.

noun [U]  /ˈmɪs·tər/ us  
a title for a man, used before the family name or full name, or sometimes before a position: Mr. Kaplan/Mr. David Kaplan Good afternoon, Mr. Mendoza. I’m afraid I can’t agree with what’s just been said, Mr. Chairman.
(Definition of Mr. from the Cambridge Academic Content Dictionary © Cambridge University Press)
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