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

Jun-ho's loan-shark ally Mr. Choi (Jeon Seok-ho), is released from prison. —Kelly Lawler, USA Today, 28 June 2025

The extended position of the slats also indicates that the flaps on the trailing edge of the wings were deployed, despite a lack of clear visibility of the flaps in the crash video, according to Mr. Pruchnicki. —Mika Gröndahl, New York Times, 28 June 2025

At the center of the bill is an extension to Mr. Trump's 2017 Tax Cuts and Jobs Act, slated to sunset at year's end, seeking to make the cuts permanent in what has been a key priority for Senate Republicans. —Kaia Hubbard, CBS News, 28 June 2025

Advertisement This is the emotionally layered premise of Mr. Loverman, a tight half-hour drama adapted by Nathaniel Price (The Outlaws) from Bernardine Evaristo’s novel of the same name. —Judy Berman, Time, 27 June 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