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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.

Mr Justice Rooney said the adjournment will allow the inquest to "get it right" for Noah's mother Fiona and all interested parties at the hearing.

From BBC • Jul. 3, 2026

Mr Justice Rooney said the issue arising from the holiday arrangements had left the process in "uncharted waters".

From BBC • Jul. 3, 2026

"Our colleagues are plugging gaps, doing the impossible, working too many hours to back-fill, are experiencing burnout and ill health and have their private lives upended," Mr Kelly said.

From BBC • Jul. 2, 2026

It was stated that the blood matched Mr Kerr's.

From BBC • Jul. 1, 2026

Miss Honey felt confident that she would have no difficulty in convincing Mr and Mrs Wormwood that Matilda was something very special indeed.

From "Matilda" by Roald Dahl

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