Dictionary.com
Thesaurus.com

Game Master

American  
[geym mas-ter, mah-ster] / ˈgeɪm ˌmæs tər, ˌmɑ stər /

noun

  1. Games. GM

    1. the person who organizes or directs the story or play in a tabletop game, as a role-playing game.

    2. (in anMMORPG ) an employee representative of the game developer who maintains a presence in the online game and may be called by players to resolve technical issues, enforce terms of service, etc..

      If someone is being abusive or harassing you, just report him to a Game Master.


Etymology

Origin of Game Master

First recorded in 2000–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Kitna's role as the team's unofficial Game Master helps, too.

From Seattle Times • Oct. 27, 2010