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  • MR
    MR
    abbreviation
  • mR
    mR
    milliroentgen; milliroentgens.
  • Mr.
    Mr.
    abbreviation
    mister: a title of respect prefixed to a man's name or position.
  • Mr
    Mr
    noun
    a title used before a man's name or names or before some office that he holds
Synonyms

MR

1 American  
Or M.R.
mR 2 American  
Or mr
  1. milliroentgen; milliroentgens.


Mr. 3 American  
[mis-ter] / ˈmɪs tər /

abbreviation

Messrs plural
  1. mister: a title of respect prefixed to a man's name or position.

    Mr. Lawson; Mr. President.

  2. a title prefixed to a mock surname that is used to represent possession of a particular attribute, identity, etc., especially in an idealized or excessive way.

    Mr. Democrat; Mr. Perfect; Mr. Macho.


Mr 1 British  
/ ˈmɪstə /

noun

  1. a title used before a man's name or names or before some office that he holds

    Mr Jones

    Mr President

  2. (in military contexts) a title used in addressing a warrant officer, officer cadet, or junior naval officer

  3. a title placed before the surname of a surgeon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

MR 2 British  

abbreviation

  1. Master of the Rolls

  2. motivation(al) research

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

Plural word for Mr. The plural form of Mr. is Messrs., pronounced [ mes-erz ]. A similar change is made with Mrs., which becomes Mmes, pronounced [ mey-dahm, -dam ]. These irregular nouns’ plural forms derive directly from their  original pluralization in French.

Etymology

Origin of Mr

C17: abbreviation of mister

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This raises the question: Is Mr. Vance interested in becoming President Ford?

From The Wall Street Journal • Jun. 24, 2026

In response, the Parks Department, which oversaw Mr. Stein, forced him to choose between his lifeguard-coordinator position and the union presidency.

From The Wall Street Journal • Jun. 24, 2026

Mr. Schanzer is executive director and Mr. Sharawi a senior research analyst at the Foundation for Defense of Democracies.

From The Wall Street Journal • Jun. 24, 2026

Mr. Mirchuk says he watches these complex attacks unfold “like a football match” from screens in the command post.

From The Wall Street Journal • Jun. 24, 2026

“Ms. Russell, I know it’s been an eventful day, but I still need you to focus on the lesson at hand,” Mr. Rowdy says.

From "Split the Sky" by Marie Arnold

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