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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.

See Examples For:

Her artwork had been discussed with the ruling coalition in Brussels, including Bouchez's MR -- which did not block its set-up.

From Barron's Dec. 2, 2025

MR: I think that that’s definitely true in terms of the lived community in the city.

From Los Angeles Times Apr. 9, 2025

MR headsets enable users to effortlessly view and interact with both the real world and 3D models integrated within it, using devices such as the Microsoft HoloLens 2 and the Meta Quest Pro.

From Science Daily Nov. 21, 2024

"Still large areas are to be explored and searched to find out whether live people are there or not," senior police officer MR Ajith Kumar told AFP news agency on Wednesday.

From BBC Aug. 1, 2024

He turned around and wrote in big huge block letters that spread all the way across the chalkboard: MR.

From "Wonder" by R. J. Palacio

At Oak Ridge, where nuclear physicists are so conscious of radiation hazards that they have done everything conceivable to reduce them, the skin exposure from a chest X ray is 10 mR.

From Time Magazine Archive

When the doctor uses a fluoroscope to see the thoracic organs in motion, the range is from 5 mR to 400 mR.

From Time Magazine Archive

I have had the privilege over the years of having met and talked with Mr. Sondheimer at various games.

From Los Angeles Times Aug. 29, 2026

"The prosecution has failed to prove by a preponderance of the evidence that Mr. Mohammad’s statements to the FBI were voluntarily given," Schrama wrote in his ruling, which was not immediately released to the public.

From Barron's Aug. 28, 2026

In the primary, Mr. El-Sayed won handsomely in college towns, but his opponent outperformed him comfortably among black voters.

From The Wall Street Journal Aug. 28, 2026

He’s also keen to point out that it would be a mistake to regard Michigan’s sizable Arab vote as a solid bloc for Mr. El-Sayed.

From The Wall Street Journal Aug. 28, 2026

“Tell Mr. Weil to be ready as soon as it’s dark,” Kik said.

From "The Hiding Place" by Corrie ten Boom

Manager Erica Gilson recalled feeling "hugely proud" to work on Mr Bates vs The Post Office, which included scenes at Shire Hall in Chelmsford.

From BBC Aug. 26, 2026

"Mr Badr is a pride for Afghanistan and a great fighter," says Sultan Mohammad Talaee.

From BBC Aug. 24, 2026

To put it another way, Flowers can't imagine pretending to be the 20-year-old who wrote Mr Brightside in his friend's bedroom for the rest of his life.

From BBC Aug. 21, 2026

For the last 25 years, he's been the frontman of The Killers, channelling his love of stadium rock and British new wave on songs like Mr Brightside, When You Were Young and Human.

From BBC Aug. 21, 2026

‘That will be his chair,’ Mr Tibbs whispered.

From "The BFG" by Roald Dahl

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