1A title used before a surname or full name to address or refer to a man without a higher or honorific or professional title.

1. 1.1 Used before the name of an office to address a man who holds it.
   Mr President

   Example sentencesExamples

   • Mr. Prime Minister, it appears that the Governor General has referred this matter to your office for further consideration.
   • Mr. Speaker, the Right Honourable Governor General desires the immediate attendance of this honourable House in the chamber of the honourable the Senate.
2. 1.2 (in the UK) used before a surname to address or refer to a male surgeon.
   Example sentencesExamples

   • She received no medical aid till Saturday, when she was visited by the parish surgeon, Mr. Vaughan.
   • For laser eye surgery and general ophthalmology services, contact eye surgeon Mr C Steven Bailey in London, England.
3. 1.3 Used in the armed forces to address a senior warrant officer, officer cadet, or junior naval officer.
   Example sentencesExamples

   • "That was an order, Mister! Talk back to me again and I'll have you thrown in the brig for insubordination!"
   • "I am your superior officer, Mister, and you will give me the respect I deserve!" Zarm angrily shot back to Wheeler.

Master of the Rolls.