Definition of "GM"
GM
noun
countable and uncountable, plural GMs
(countable) Initialism of general manager.
(usually uncountable) Initialism of genital mutilation.
(usually uncountable) Initialism of genetic modification.
(countable, also attributively) Initialism of gender minority.
(countable) Initialism of George Medal.
(countable) Initialism of gold master.
(countable, chess) Initialism of Grandmaster.
(countable, MLE, slang) Initialism of gang member.
proper noun
adjective
not comparable
interjection
(Internet slang, text messaging) Initialism of good morning.