grumble meaning and definition

GRUMBLE noun

Definition of grumble (noun)

1. a loud low dull continuous noise
   • "they heard the rumbling of thunder"
   • synonyms: grumbling, rumble, rumbling
2. a complaint uttered in a low and indistinct tone
   • synonyms: grumbling, murmur, murmuring, mutter, muttering

GRUMBLE verb

Definition of grumble (verb)

1. show one's unhappiness or critical attitude
   • "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load"
   • synonyms: grouch, scold
2. make complaining remarks or noises under one's breath
   • "she grumbles when she feels overworked"
   • synonyms: croak, gnarl, murmur, mutter
3. to utter or emit low dull rumbling sounds
   • "he grumbled a rude response"; "Stones grumbled down the cliff"
   • synonyms: growl, rumble
4. make a low noise
   • "rumbling thunder"
   • synonyms: rumble