To make a continuous deep, resonant sound. The thunder rumbled in the distance as the storm approached.
To move with a low, heavy, continuous sound. The truck rumbled down the street, shaking the ground as it passed.
To discover or expose the true nature of someone or something. The detective rumbled the criminal's plan before it could be executed.
To engage in a street fight or brawl. The two gangs rumbled in the alleyway, causing a commotion in the neighborhood.