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

For those looking to add a little extra oomph to their grilling this summer, Mr. P's offers online ordering and shipping of their condiments. —Katherine Polcari, Southern Living, 10 May 2025

Abrams especially remembers wearing Mr. Moseby's suit jacket. —Tereza Shkurtaj, People.com, 10 May 2025

The affected agencies — covering a wide swath of the government — can't continue laying off staff or put workers on administrative leave in order to comply with Mr. Trump's order. —Joe Walsh, CBS News, 10 May 2025

The top military leaders will speak again on Monday, Mr. Misri added. —Riazat Butt, Christian Science Monitor, 10 May 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