rumbling

/ˈrʌmblɪŋ/
noun
  1. A low, continuous, rolling sound, like that of thunder or a heavy vehicle.
    • The rumbling of the train could be felt through the floor.
    • We heard a deep rumbling coming from the volcano.
    • A low rumbling in the distance signaled an approaching storm.
  2. A sign of discontent or trouble that is not yet openly expressed.
    • There were rumblings of protest among the workers.
    • I heard rumblings that the company might be sold.
    • Political rumblings suggested a change in leadership was coming.
Synonyms
Antonyms
adjective
  1. Making a low, continuous, rolling sound.
    • The rumbling thunder kept us awake all night.
    • A rumbling noise came from the basement.
    • The rumbling engine needed to be checked.
What does "rumbling" mean? | whatsthatwordmean | whatsthatwordmean