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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: Well, I think that the cheeriness, the friendliness, they’re kind of clothes, right?

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

Here’s the Surge’s abbreviated summary of her lengthy opinion, though: MR.

From Slate Jul. 20, 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

Finally, at 1:20 p.m., after two hours of delay, Mr. Gallant was able to get in to speak to Mr. Netanyahu.

From The Wall Street Journal Sep. 4, 2026

Over the preceding few days, Mr. Halevi had asked tough questions about Mr. Gallant’s plan, but by this point he supported it wholeheartedly.

From The Wall Street Journal Sep. 4, 2026

“OK, go form a unity government,” Mr. Gallant countered.

From The Wall Street Journal Sep. 4, 2026

Mr. Dermer listened, then turned back to his office, leaving Mr. Gallant in the reception area.

From The Wall Street Journal Sep. 4, 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

The artwork, called I'm Mr Mercury, is anamorphic, meaning the image only resolves when viewed from a single marked spot about 65ft away.

From BBC Sep. 4, 2026

"Both Mr Kushner and Mr Witkoff are always welcome guests here, and we are glad to work with them," he said, describing them as "sincere".

From Barron's Sep. 2, 2026

In quashing their determination, Mr Justice McAlinden was scathing in his observations, referring to "sloppy procedures" and "shortcuts".

From BBC Aug. 29, 2026

The villa they were staying in was vast and the interaction between the men and Mr Baptiste while inside the villa was limited.

From BBC Aug. 28, 2026

The butler, an imposing personage named Mr Tibbs, was in supreme command of all the palace servants and he did the best he could in the short time available.

From "The BFG" by Roald Dahl

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