mR

abbreviation

Definition of mR

milliroentgen

Mr.

noun \ ˈmis-tər , in rapid speech especially in sense 2 (ˌ)mis(t) \

variants: or British Mr

Definition of Mr.

plural Messrs. play \ˈme-sərz\

1 —used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a man's surname

spoke to Mr. Doe

2 —used in direct address as a conventional title of respect before a man's title of office

May I ask one more question, Mr. President?

3 —used before the name of a place, profession, or activity or before an epithet (such as clever) to form a title applied to a male viewed as representative of the thing indicated

Mr. Baseball

See Mr. defined for English-language learners

See Mr. defined for kids

Origin and Etymology of mr.

Mr. from Middle English, abbreviation of maister master; Messrs. abbreviation of Messieurs, from French, plural of Monsieur

NEW! Time Traveler

First Known Use: 15th century

in the meaning defined at sense 1

See Words from the same year

MR Defined for English Language Learners

Mr.

noun

Definition of Mr. for English Language Learners

—used as a title when speaking to a man who has an honored position or office
—used as part of a title for a man who has won a contest
—used to refer to a man who is very successful and famous for a particular activity (such as a sport) or who has a particular quality