DM

plural DMs

1. abbreviationcountableinitialismuncountablecomputingInitialism of dimensional modeling.
2. abbreviationcountableinitialismuncountablehuman sciencesInitialism of De Morgan’s law.

   1 more example

   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. abbreviationcountableinitialismuncountablebusinessInitialism of Deutsche Mark.

   Synonyms: DEM

4. abbreviationcountableinitialismuncountablenutritionInitialism of dry matter.
5. abbreviationcountableinitialismuncountablemedicineInitialism of diabetes mellitus.
6. abbreviationcountableinitialismuncountablemedicineInitialism of dermatomyositis.
7. countableuncountablechemistryadamsite, diphenylaminechlorarsine
8. abbreviationcountableuncountableastronomyAbbreviation of dark matter.
9. abbreviationcountableuncountablemedicineAbbreviation of dextromethorphan; also DXM.
10. countableuncountablerail transportdriving motor car
11. abbreviationcountableinitialismuncountableroleplaying gamesInitialism of dungeon master or dungeon mistress.

    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

    Synonyms: GM, ST

12. InternetabbreviationcountableinitialismuncountableInitialism 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

    Synonyms: PM

13. abbreviationcountableinitialismuncountableInitialism of duty manager.
14. abbreviationcountableinitialismuncountablehuman sciencesInitialism of dialectical materialism.
15. abbreviationcountableinitialismuncountableBDSMInitialism of dungeon master, dungeon mistress, or dungeon monitor.

    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

    2 more examples

    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

16. colloquialcountableuncountableA 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. abbreviationcountableinitialismuncountableball gamesInitialism of defensive midfielder.
18. abbreviationcountableinitialismuncountabledivingInitialism of divemaster.
19. abbreviationcountableinitialismuncountableoccupational healthInitialism of dust and mist.
20. abbreviationcountableinitialismuncountablevideo gamesInitialism of deathmatch.
21. abbreviationcountableuncountablecomputingAbbreviation of display manager.

present singular third person DMs · participle present DMing · participle past DMed · past DMed · participle past DM'd · past DM'd

1. InternettransitiveTo 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. roleplaying gamesTo dungeon master; to perform as a dungeon master; to run a tabletop role-playing game.

   Synonyms: GM

1. UKabbreviationinitialismInitialism of Daily Mail, a national newspaper.
2. abbreviationinitialismhuman sciencesInitialism of Distributed Morphology.