Mr.

1 of 2

noun

ˈmi-stər 

 in rapid speech especially in sense 2  (ˌ)mis(t)

variants US Mr. or British Mr

plural Messrs. 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

mR

2 of 2

abbreviation

milliroentgen

Examples of Mr. in a Sentence

Recent Examples on the Web

Noun

But in other instances, Mr. Trump has taken new executive actions that echo policies outlined in Project 2025's policy book. —Melissa Quinn, CBS News, 29 Apr. 2025

Forty years after the release of the late Queen frontman's only solo album, Mr. Bad Guy, the New York Post spoke to Jo Burt, who played the fretless bass for the album. —Raechal Shewfelt, EW.com, 29 Apr. 2025

But the reality is that Mr. Dixon had asked his supervisor about the hire and was told that there were no objections. —Andrew Marchand, New York Times, 29 Apr. 2025

Writer-director Jang is one of South Korea’s leading visual effects experts, with credits in hit film Joint Security Area, as well as Last Knights and Sympathy for Mr. Vengeance. —Sara Merican, Deadline, 29 Apr. 2025

Word History

Etymology

Noun

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

First Known Use

Noun

15th century, in the meaning defined at sense 1

Phrases Containing Mr.

• Mr. Nice Guy
• no more Mr. Nice Guy

Kids Definition

Mr.

noun

ˌmis-tər 

plural Messrs. ˌmes-ərz 

1

—used as a title before a man's last name or title of office

Mr. Doe

Mr. President

2

—used to form a title for a man who represents the thing indicated

Mr. Punctuality

Mr. Baseball

Etymology

Noun

Middle English Mr., an abbreviation of master

Medical Definition

mR

1 of 2 abbreviation

milliroentgen

MR

2 of 2 abbreviation

magnetic resonance