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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:

In addition, they highlighted several experimental and theoretical findings that directly conflict with spin-current-based MR models but are naturally explained by the two-vector approach.

From Science Daily ● Feb. 10, 2026

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 there’s a more basic point too, which is that the book wasn’t written for this world.

From Los Angeles Times ● Apr. 9, 2025

"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

This was written on Mr. Browne’s chalkboard when we walked into English class for the last time: MR.

From "Wonder" by R. J. Palacio

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

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

Kiké Hernández, the Dodgers’ Mr. October, says L.A. is the team to beat in the MLB playoffs, but stresses the importance of “taking care of business.”

From Los Angeles Times ● Oct. 3, 2026

In April, Mr. Noseda and the NSO embark on a 10-day, five-state tour.

From The Wall Street Journal ● Oct. 2, 2026

Research I conducted with Mr. Coffey estimated that those reductions increased annual economic growth by about one percentage point.

From The Wall Street Journal ● Oct. 2, 2026

They reunite in February for concerts honoring the centenary of Mstislav Rostropovich, one of Mr. Noseda’s predecessors as music director of the NSO.

From The Wall Street Journal ● Oct. 2, 2026

Turning into the alley were Mr. and Mrs. Kan, owners of the other watch shop on the street.

From "The Hiding Place" by Corrie ten Boom

Was Mr Belding your dimples karaoke birthday buddy?

From Los Angeles Times ● Oct. 1, 2026

Speaking exclusively to the BBC's Big Boss Interview podcast, Mr Rossi said: "We are actually walking into a second significant energy crisis after the one we experienced just four years ago."

From BBC ● Sep. 29, 2026

The law firm told the BBC: "We are simply seeking cause of death information to assess whether the deaths of these former patients of Mr Paterson will be investigated."

From BBC ● Sep. 26, 2026

"I understand that my false accusations have caused Mr Carter immense pain, suffering and damage that can never be fully undone."

From Barron's ● Sep. 25, 2026

Newton replied, thanking Oldenburg ‘for your candour in acquainting me with Mr Hook’s insinuations’ and asking for an opportunity to set the record straight.

From "The Scientists" by John Gribbin

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