DM

noun, verb — 23 senses

DM

noun
21 senses
  1. 1Initialism of dimensional modeling.
  2. 2Initialism of De Morgan’s law.
  3. 3Initialism of Deutsche Mark.
  4. 4Initialism of dry matter.
  5. 5Initialism of diabetes mellitus.
  6. 6Initialism of dermatomyositis.
  7. 7adamsite, diphenylaminechlorarsine
  8. 8Abbreviation of dark matter.
  9. 9Abbreviation of dextromethorphan; also DXM.
  10. 10driving motor car
  11. 11Initialism of dungeon master or dungeon mistress.
  12. 12Initialism of direct message (type of message on social…
  13. 13Initialism of duty manager.
  14. 14Initialism of dialectical materialism.
  15. 15Initialism of dungeon master, dungeon mistress, or…
  16. 16A Dr. Martens boot or shoe.
  17. 17Initialism of defensive midfielder.
  18. 18Initialism of divemaster.
  19. 19Initialism of dust and mist.
  20. 20Initialism of deathmatch.
  21. 21Abbreviation of display manager.
1

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Abbreviation, Initialism Initialism of dimensional modeling.

2

Human sciences, Logic, Mathematics, Philosophy, Sciences Abbreviation, Initialism Initialism of De Morgan’s law.

  • Let ‘F’ stand for the state of affairs that consists in finite persons possessing and exercising free will. Let ‘p’ stand for ‘God exists’; ‘q’ for ‘F obtains’; ‘r’ for ‘F poses a serious risk of evil’; and ‘s’ for ‘There is no option available to God that counters F.’ With this in place, the argument may be formalized as follows: (1) [(p & q) & r] → s Premiss (2) ~s Premiss (3) ~[(p & q) & r] 1, 2 MT (4) ~(p & q) v ~r 3 DM (5) r Premiss (6) ~(p & q) 4, 5 DS (7) ~p v ~q 6 DM (3) follows from the conjunction of (1) and (2) by modus tollens; De Morgan’s law applied to (3) yields (4); (4) and (5) together lead to (6) by disjunctive syllogism; and another application of De Morgan’s law takes us from (6) to the final conclusion, according to which either God exists or there is free will (but not both).2004 August, J. L. Schellenberg, “The Atheist’s Free Will Offence”, in International Journal for Philosophy of Religion, volume 56, № 1, pages 11-12:
3

Business, Finance, Money Abbreviation, Initialism Initialism of Deutsche Mark.

4

Abbreviation, Initialism Initialism of dry matter.

5

Medicine, Pathology, Sciences Abbreviation, Initialism Initialism of diabetes mellitus.

6

Medicine, Pathology, Sciences Abbreviation, Initialism Initialism of dermatomyositis.

7

Chemistry, Natural sciences, Organic chemistry, Physical sciences adamsite, diphenylaminechlorarsine

8

Astronomy, Natural sciences, Physical sciences, Physics Abbreviation Abbreviation of dark matter.

9

Medicine, Pharmacology, Sciences Abbreviation Abbreviation of dextromethorphan; also DXM.

10

Rail transport, Railways, Transport In multiple unit formations driving motor car

11

Abbreviation, Initialism Initialism of dungeon master or dungeon mistress.

Roleplaying games

  • DQ: "DM" stands for "Dungeon Master"--or I guess in my case Dungeon Mistress. *blinks* _That's_ got all kindsa wrong connotations, doesn't it? #o_o#2004 March 22, Death Quaker, “[STATS] Postings for alt.fan.utena 1-Feb-2004 to 1-Mar-2004”, in alt.fan.utena (Usenet), archived from the original on 22 Nov 2025:
12

Internet, Abbreviation, Initialism Initialism of direct message (type of message on social media platforms).

  • He later sent me a DM mentioning that he would send me what he wears because he does a lot of walking. This is where the relationships online can get a wee bit weird.2012, Scott Stratten, Alison Kramer, UnMarketing: Stop Marketing. Start Engaging:
13

Abbreviation, Initialism Initialism of duty manager.

14

Human sciences, Philosophy, Sciences Abbreviation, Initialism Initialism of dialectical materialism.

15

BDSM, Lifestyle, Sexuality Abbreviation, Initialism Initialism of dungeon master, dungeon mistress, or dungeon monitor.

  • But the most important people at any gathering are those in charge of safety, referred to as Dungeon Master/Mistress (DM). […] DMs are willing to help instruct novices on the safe use of all equipment provided on the premises and also act as mediators if there are any scenes that have potential safety concerns.1999, Patricia Payne, “The Master of D/stiny”, in Sex Tips from a Dominatrix, New York, N.Y.: ReganBooks, →ISBN, chapter 8 (D/sense and Sensibility), page 138:
  • Most club parties and private parties held in commercial dungeons in the United States have a dungeon master, mistress, or monitor (DM), whose responsibility it is to make sure that scenes are consensual and house rules are obeyed. If the DM asks you to stop doing something, please stop right away whether you feel you are right or wrong.2001, Claudia Varrin, “SM Players, Their Scene, and Their Etiquette”, in Erotic Surrender: The Sensual Joys of Female Submission, New York, N.Y.: Citadel Press, →ISBN, page 204:
1 more example
  • Dungeon Master (DM) decisions are final. No appeals, arguments, or whining allowed. If a DM says to stop a scene, the scene must stop immediately.2003, Suzi Parker, “Sticks and Stones, Whips and Chains”, in Sex in the South: Unbuckling the Bible Belt, Boston, Mass.: Justin, Charles & Co., →ISBN, page 101:
16

Colloquial A Dr. Martens boot or shoe.

  • She kicked a hardback book with her left DM boot (14 eyelets were the minimum she would settle for), but the bestseller persisted in her path.2012, W. Freedreamer Tinkanesh, Outsider, page 19:
17

Ball games, Games, Hobbies, Lifestyle, Soccer, Sports Abbreviation, Initialism Initialism of defensive midfielder.

18

Diving, Hobbies, Lifestyle, Sports, Underwater diving Abbreviation, Initialism Initialism of divemaster.

19

Abbreviation, Initialism Initialism of dust and mist.

Occupational health

20

Video games Abbreviation, Initialism Initialism of deathmatch.

21

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences, Software Abbreviation Abbreviation of display manager.

Derived terms
slide into the DMs, slide into someone's DMs

DM

verb
1

Internet To communicate by direct message, usually on a social media website.

  • Rio [Ferdinand] DM’d me after the tournament. He’d said I was the weak link, and that Croatia should be targeting me.2021 August 2, Tyrone Mings, quotee, “Tyrone Mings Opens Up over Mental Health Struggles ahead of Euro 2020”, in Yahoo! Sports, archived from the original on 04 Aug 2021:
2

To dungeon master; to perform as a dungeon master; to run a tabletop role-playing game.

Roleplaying games

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.