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Definition of 'grumble'


  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


  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

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