rumbling

Definitions of rumbling
1

n a loud low dull continuous noise

“they heard the rumbling of thunder”
Synonyms:
grumble, grumbling, rumble
Type of:
noise
sound of any kind (especially unintelligible or dissonant sound)

adj continuous full and low-pitched throbbing sound

“the rumbling rolling sound of thunder”
Synonyms:
grumbling
full
(of sound) having marked deepness and body

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