Definition of 'grumble'

Noun

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

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: murmur mutter croak gnarl
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

---

Get this dictionary without ads as part of the e-Tutor Virtual Learning Program.