ms

1 of 3

abbreviation (1)

millisecond

Ms.

2 of 3

noun

ˈmiz 

variants US Ms. or British Ms

plural Mss. or Mses. ˈmi-zəz 

—used as a conventional title of courtesy before a woman's surname

My history teacher is Ms. Judson

—used instead of Miss or Mrs. (as when the marital status of a woman is unknown or irrelevant)

Ms. Mary Smith

"I think you do want to dispute the fact that you had a difficult childhood," Ms. Johnston told Mrs. Gore, who was silent for several beats, then agreed.

—Katha Pollitt

But it wasn't until the 1970s that Ms. took its place in the emerging women's liberation movement. It was a heady time for women, and the new prefix represented an important new way for them to define themselves as individuals, rather than in terms of their relationship to men.

—Carol Toller

MS

3 of 3

abbreviation (2)

1

[Italian mano sinistra] left hand

2

manuscript

3

master of science

4

military science

5

Mississippi

6

motor ship

7

multiple sclerosis

Examples of ms in a Sentence

Recent Examples on the Web

Noun

The Wayfarer Defendants’ efforts are being financed by a billionaire who has pledged to spend $100 million to ruin the lives of Ms. Lively and her family. —Tracy Wright, Fox News, 28 Jan. 2025

This article was updated with a response from Ms. Rachel. —Jonathan Granoff, Newsweek, 28 Jan. 2025

Russian government policies stabilized the economy, and entrepreneurs like Ms. Knyazeva stepped into the breach. —Fred Weir, The Christian Science Monitor, 28 Jan. 2025

Several dozen demonstrators filled the committee room on Wednesday before walking out together as Ms. Scott introduced the proposal, local news reports said. —Amy Harmon, New York Times, 25 Jan. 2025

Word History

Etymology

Noun

probably blend of Miss and Mrs.

First Known Use

Noun

1901, in the meaning defined above

Kids Definition

Ms.

noun

(ˌ)miz 

plural Mss. or Mses. ˈmiz-əz 

—used instead of Miss or Mrs. (as when it is unknown or unimportant whether the woman addressed is married or single)

Etymology

Noun

probably a combination of Miss and Mrs.

Medical Definition

ms

1 of 2 abbreviation

millisecond

MS

2 of 2 abbreviation

1

mass spectrometry

2

master of science

3

multiple sclerosis