GM
verb1
To act as a game master or game moderator; to run a tabletop role-playing game.
Roleplaying games
GM
noun10 senses
- 1Initialism of game master, game mistress, or game moderator.
- 2Initialism of general manager.
- 3Initialism of genital mutilation.
- 4Initialism of genetic modification.
- 5Initialism of gender minority.
- 6Initialism of George Medal.
- 7Metacentric height, a measure of a ship's static…
- 8Initialism of gold master.
- 9Initialism of Grandmaster or grandmaster.
- 10Initialism of gang member.
1
Abbreviation, Initialism Initialism of game master, game mistress, or game moderator.
Roleplaying games
- PC, pc *** […] player character; in fantasy role-playing gaming, a character in the game whose aims, ambitions and (attempted) actions are determined by a player, as opposed to being determined by the game master/mistress ("gm") […]1997 September 17, ppint., “[FAQ] Acronymphomania !”, in alt.books.pratchett (Usenet), archived from the original on 22 Nov 2025:
2
Abbreviation, Initialism Initialism of general manager.
3
Abbreviation, Initialism, Usually Initialism of genital mutilation.
4
Abbreviation, Initialism, Usually Initialism of genetic modification.
5
Abbreviation, Also, Initialism Initialism of gender minority.
- Indeed, because of the paucity of literature on GM youth and the important distinctions between GM and SM youth, ...2018, Peter M. Monti, Suzanne M. Colby, Tracy O'Leary Tevyaw, Brief Interventions for Adolescent Alcohol and Substance Abuse, Guilford Publications, →ISBN, page 306:
6
Abbreviation, Initialism Initialism of George Medal.
7
Engineering, Natural sciences, Nautical, Physical sciences, Physics, Transport Usually Metacentric height, a measure of a ship's static stability in roll.
- The report notes that the minimum GM curves in the stability booklet were generated based on the minimum GM required to meet intact stability criteria in 46 CFR 170.170. However, for vessels required to meet both damage and intact stability requirements, such as El Faro, the higher of intact or damage stability minimum GM must be reflected in the minimum GM curves.2017 December 12, National Transportation Safety Board, “1.12.10 Postaccident Analysis of Stability, Structures, and Sinking”, in Marine Accident Report: Sinking of US Cargo Vessel SS El Faro, Atlantic Ocean, Northeast of Acklins and Crooked Island, Bahamas, October 1, 2015, archived from the original on 15 May 2022, page 152:
8
Abbreviation, Initialism Initialism of gold master.
9
Board games, Chess, Games Abbreviation, Initialism Initialism of Grandmaster or grandmaster.
10
Multicultural London English, Abbreviation, Initialism, Slang Initialism of gang member.