grumbling

(s) continuous full and low-pitched throbbing sound
- the rumbling rolling sound of thunder
rumbling,

Nouns

(n) a loud low dull continuous noise
- they heard the rumbling of thunder
grumble, rumble, rumbling,
(n) a complaint uttered in a low and indistinct tone grumble, murmuring, mutter, muttering, murmur,

Synonyms

grumble rumble rumbling murmuring mutter muttering murmur

Words of close approximity