Grumbling mouths Synonyms

We can't find synonyms for the phrase "Grumbling mouths", but we have synonyms for terms, you can combine them.

Grumbling Synonyms

Mouths Synonyms

GM abbreviation

GM is an abbreviation for Grumbling Mouths

What does GM stand for?

GM stands for "Grumbling Mouths"

Definitions for Grumbling

(noun) a complaint uttered in a low and indistinct tone
(noun) a loud low dull continuous noise
(adjective) continuous full and low-pitched throbbing sound