DM

1 of 3

noun

ˌdē-ˈem 

plural DMs

: a private message sent on social media to a specific individual or group

However, Sadie Stanley was ultimately cast as Kim, and Madelaine even sent her an encouraging DM about her new role.

—Kara Nesvig

DM verb

DMed; DMing; DMs

Women around the world DMed Robbie and Sarah saying how much the couple's love inspired them.

—Rebecca Jennings

DM

2 of 3

abbreviation (1)

deutsche mark

dm

3 of 3

abbreviation (2)

decimeter

Examples of DM in a Sentence

Recent Examples on the Web

Noun

Several members of the original Fragglerock band will return for the Meow Mix reunion’s Friday night show, with JD Samson, Jen DM and Lynne T of Lesbians on Ecstasy playing the dance party to follow. —Trish Bendix, NBC news, 23 Oct. 2025

Other teens will just gain access to this same content by having friends send them content over DM. —​wendy Wisner, Parents, 22 Oct. 2025

McCartney also reveals that the link-up with the brothers began with an Instagram DM from Nick. —Rachel Desantis, PEOPLE, 17 Oct. 2025

China’s leading electric vehicle manufacturer, BYD, has officially unveiled the 2026 Seal 05 DM-i, a new plug-in hybrid that sets a new industry benchmark with an astounding total driving range of 1,243 miles on a single tank of fuel and a full charge. —Bojan Stojkovski, Interesting Engineering, 12 Oct. 2025

Word History

Etymology

Noun

direct message

First Known Use

Noun

2007, in the meaning defined above

Medical Definition

dm

1 of 2 abbreviation

decimeter

DM

2 of 2 abbreviation

1

dermatomyositis

2

diabetes mellitus

3

diastolic murmur

4

[Latin dystrophia myotonica] myotonic dystrophy