MR

¹

Or M.R.

abbreviation

1. mixed reality.

2. motivation research; motivational research.

mR

²

Or mr

1. milliroentgen; milliroentgens.

Mr.

³

[mis-ter]

abbreviation

plural

Messrs 

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

/ 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

MR

²

abbreviation

1. Master of the Rolls

2. motivation(al) research

Word History and Origins

Origin of MR¹

C17: abbreviation of _mister

Example Sentences

For Mr. Fatsis, the dictionary is an item “as ubiquitous as a spatula” and as likely to be gathering dust but, in his experience, both deeply serious in purpose and endlessly diverting.

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In 2014, Mr. Fatsis walked for the first time into what resembled a “drab elementary school” in Springfield, Mass. This was the headquarters of Merriam-Webster, which traces its origins to 1831, when the brothers George and Charles Merriam set up shop as printers of textbooks and religious texts, encouraging employees to adopt a “habitual suavity of manners,” which was presumably a challenge in the rough-and-tumble world of Bibles and hymnals.

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When Mr. Fatsis embedded himself in Springfield—he signed on as a trainee lexicographer while researching this book—his focus was the firm’s efforts to reinvent for the digital age its most famous offering, “Webster’s Third New International Dictionary: Unabridged.”

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By the time Mr. Fatsis arrived in Springfield, however, the revision of Webster’s Third was in peril.

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Some of Mr. Fatsis’ new colleagues observed that the very notion of authoritative repositories of information had come to seem archaic; now “expertise was ceasing to matter” and “institutions were growing suspect.”

Read more on The Wall Street Journal

Related Words

• dude 
• fellow 
• gentleman 
• guy 
• person 

When To Use

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.