gm

exclamation1

1. •
   (Internet) Abbreviation of good morning.

noun3

1. •
   Initialism of general manager.
2. •
   Initialism of game master.
3. •
   Initialism of group message.

noun1

1. •
   Abbreviation of gram.

noun10

1. •
   Metacentric height, a measure of a ship's static stability in roll.
2. •
   Initialism of general manager.
3. •
   Initialism of genetic modification.
4. •
   Initialism of game master, game mistress, or game moderator.
5. •
   Initialism of Grandmaster or grandmaster.
6. •
   Initialism of genital mutilation.
7. •
   Initialism of George Medal.
8. •
   [before a noun] Initialism of gender minority.

   • Indeed, because of the paucity of literature on GM youth and the important distinctions between GM and SM youth, ... — 2018
9. •
   (slang) Initialism of gang member.
10. •
    Initialism of gold master.

verb1

1. •
   To act as a game master or game moderator; to run a tabletop role-playing game.

adjective2

1. •
   Initialism of genetically modified.

   • As one of the largest producers of genetically modified (GM) seeds in the country, Monsanto has been vilified by activists who describe GM products as 'frankenfood.' — 2016
2. •
   (UK, historical) Initialism of grant-maintained.

exclamation1

1. •
   (Internet) Initialism of good morning.