GRUMBLING





Definition:

  1. [noun] a loud low dull continuous noise; "they heard the rumbling of thunder"
    Synonyms: rumble, rumbling, grumble

  2. [noun] a complaint uttered in a low and indistinct tone
    Synonyms: grumble, murmur, murmuring, mutter, muttering

  3. [adjective] continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder"
    Synonyms: rumbling

  4. [adjective] muttering discontentedly; "the grumbling boarders requested a meeting with the cook"

Synonyms: