1rum·ble 
/ˈrʌmbəl/ verb
rum·bles; rum·bled; rum·bling /ˈrʌmbəl/ verb 1 [no obj] : to make a low, heavy, continuous sound or series of sounds
▪ Thunder rumbled in the distance. ▪ I got hungry and my stomach started rumbling. [=growling] ▪ rumbling machines 2 always followed by an adverb or preposition [no obj] : to move along with a low, heavy, continuous sound
▪ The train rumbles through town twice a day. ▪ We watched as the trucks rumbled past/by. 3 [no obj] US, informal + old-fashioned : to fight especially in the street
▪ The gangs rumbled in the alley. 4 [+ obj] Brit, informal : to reveal or discover the true character of (someone)
▪ He knows I've rumbled him.
▪ Thunder rumbled in the distance. ▪ I got hungry and my stomach started rumbling. [=growling] ▪ rumbling machines
▪ The train rumbles through town twice a day. ▪ We watched as the trucks rumbled past/by.
▪ The gangs rumbled in the alley.
▪ He knows I've rumbled him.
rumble on [phrasal verb]
: to continue for a long period of time
▪ The debate rumbled on through newspaper articles.
▪ The debate rumbled on through newspaper articles.
