What does "grumble" mean?

Grumble: To growl; to snarl in deep tones; as, a lion grumbling over his prey.

Additional senses

  1. 2.To rumble; to make a low, harsh, and heavy sound; to mutter; as, the distant thunder grumbles.
  2. 3.To express or utter with grumbling.
  3. 4.The noise of one that grumbles.
  4. 5.A grumbling, discontented disposition. A bad case of grumble. Mrs. H. H. Jacksn.

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