Definition of rumbling noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A rumbling refers to a continuous deep sound or a series of low, resonant noises. This sound can be associated with various things such as thunder, an empty stomach, an earthquake, or heavy machinery.
to cause to make or move with a rumbling sound: to rumble a wagon over the ground. to subject to the action of a rumble or tumbling box, as for the purpose of polishing.
RUMBLING meaning: 1 : a low, heavy, continuous sound or series of sounds usually singular; 2 : written or spoken comments showing that people are unhappy about something