There are 2 definitions of gm in English:

gm1

Syllabification: gm

abbreviation

Gram(s).

Definition of gm in:

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Word of the day vituperate
Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...

There are 2 definitions of gm in English:

GM2

Syllabification: GM

abbreviation

1General manager.
1.1 Chess Grand master.
1.2Genetically modified.
1.3General Motors.

Definition of gm in: