Synonymer till rumblingadjektiv(continuous full and low-pitched throbbing sound) grumbling; rumblingsubstantiv(a loud low dull continuous noise) rumble; grumble; grumbling; rumblingverb(make a low noise) rumble; grumble; rumbling(to utter or emit low dull rumbling sounds) grumble; growl; rumble; rumbling