Verb
1. move fast, noisily, and heavily;
"The bus thundered down the road"2. utter words loudly and forcefully;
"`Get out of here,' he roared"3. be the case that thunder is being heard;
"Whenever it thunders, my dog crawls under the bed"4. to make or produce a loud noise;
"The river thundered below""The engine roared as the driver pushed the car to full throttle"