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

Every text creates a nightmare, every DM, every voice note shouldn’t be sent. —Ellise Shafer, Variety, 25 Mar. 2026

So whoever this mystery man is, Gomez hadn’t even noticed the DM until the podcast episode. —Ryan Brennan, Kansas City Star, 5 Mar. 2026

Putting it all together, what DM Performance has created isn’t a supercar slayer, but something arguably more entertaining. —Christopher McFadden, Interesting Engineering, 22 Feb. 2026

JPMorgan's team noted that this had continued into the new year, with emerging-market equities outperforming DM by 10% in dollar terms based on their respective MSCI indexes. —Chloe Taylor, CNBC, 18 Feb. 2026

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