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Verb: mumble  múm-bul
  1. Talk indistinctly; usually in a low voice
    - mutter, maunder, mussitate
     
  2. Grind with the gums; chew without teeth and with great difficulty
    "the old man had no teeth left and mumbled his food";
    - gum
Noun: mumble  múm-bul
  1. A soft indistinct utterance

Derived forms: mumbled, mumbling, mumbles

Type of: chew, jaw, manducate, masticate, mouth, speak, talk, utter, utterance, verbalise [Brit], verbalize, vocalization

Encyclopedia: Mumble