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

The slightly more detailed math looks like this: Mr. Trump has said these tariffs will reduce trade imbalances and level the international playing field. —Ben Blatt, New York Times, 5 Apr. 2025

His other early projects included 1986's 52 Pick-Up, 1987's My Demon Lover, 1987's Making Mr. Right and Oliver Stone's 1988 film Talk Radio. —Brenton Blanchet, People.com, 5 Apr. 2025

Meanwhile, an American shrimp industry group hailed Mr. Trump's actions. —Weijia Jiang, CBS News, 4 Apr. 2025

Collins grew up about 10 miles from Welsh-Ryan Arena in Northbrook and was chosen Mr. Basketball in Illinois at Glenbrook North. —Andrew Seligman, Chicago Tribune, 4 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