noun |
adj |
verb |
adv |
(noun) grumbling, murmur, murmuring, mutter, muttering
a complaint uttered in a low and indistinct tone
(noun) rumble, rumbling, grumbling
a loud low dull continuous noise
they heard the rumbling of thunder
(verb) murmur, mutter, gnarl, croak
make complaining remarks or noises under one's breath
she grumbles when she feels overworked
show one's unhappiness or critical attitude
He scolded about anything that he thought was wrong; We grumbled about the increased work load
to utter or emit low dull rumbling sounds
he grumbled a rude response; Stones grumbled down the cliff
(verb) rumble
make a low noise
rumbling thunder