Adjective rumbling has 1 sense
  1. grumbling, rumbling - continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder"
    Antonym: thin (indirect, via full)
,Noun rumbling has 1 sense
  1. rumble, rumbling, grumble, grumbling - a loud low dull continuous noise; "they heard the rumbling of thunder"
    --1 is a kind of noise
    Derived forms: verb rumble1, verb rumble2
,Verb rumble has 2 senses
  1. rumble, grumble - make a low noise; "rumbling thunder"
    --1 is one way to sound, go
    Derived forms: noun rumble1, noun rumbling1
    Sample sentences:
    Cars rumble in the streets
    The streets rumble with cars
  2. grumble, growl, rumble - to utter or emit low dull rumbling sounds; "he grumbled a rude response"; "Stones grumbled down the cliff"
    --2 is one way to utter, emit, let out, let loose
    Derived forms: noun rumble1, noun rumbling1
    Sample sentences:
    Something ----s
    Somebody ----s
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