|1.||[ noun ] a deep prolonged loud noise|
|Synonyms:||roar roaring boom|
|Related terms:||noise roar boom|
|2.||[ noun ] (meteorology) a booming or crashing noise caused by air expanding along the path of a bolt of lightning|
|Related terms:||noise thunderclap|
|3.||[ verb ] move fast, noisily, and heavily|
"The bus thundered down the road"
|Related terms:||move boom|
|4.||[ verb ] utter words loudly and forcefully|
"`Get out of here,' he roared."
|Related terms:||shout boom bellow|
|5.||[ verb ] be the case that thunder is being heard|
"Whenever it thunders, my dog crawls under the bed."
|6.||[ noun ] (medicine,pharmacology) street names for heroin|
|Synonyms:||hell_dust nose_drops smack big_h|
|7.||[ verb ] to make or produce a loud noise|
"The river thundered below" "The engine roared as the driver pushed the car to full throttle."
|Related terms:||roar boom|