The term "GM" has multiple meanings depending on the context in which it is used. Here are some of the most common full forms of GM:

• Genetically Modified: GM can refer to genetically modified organisms or foods that have had changes introduced into their DNA using the methods of genetic engineering.

• General Manager: GM can also stand for General Manager, which is a person who is responsible for all or part of a departments operations or the companys operations, including generating revenue and controlling costs.

• Gram: GM can also be an abbreviation for gram, which is a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of a kilogram.

• Game Master: GM can also refer to a Game Master, which is a person who runs a role-playing game or other interactive game.

• Good Morning: GM can also be used as an informal greeting to say "Good Morning".

• General Motors: GM is also the abbreviation for General Motors, which is a famous automobile manufacturer based in Detroit, Michigan.

It is important to note that the full form of GM can vary depending on the context in which it is used.