- to speak in a low indistinct manner, almost to an unintelligible extent; mutter.
- to chew ineffectively, as from loss of teeth: to mumble on a crust.
- to say or utter indistinctly, as with partly closed lips: He mumbled something about expenses.
- to chew, or try to eat, with difficulty, as from loss of teeth.
- a low, indistinct utterance or sound.
- to utter indistinctly, as with the mouth partly closed; mutter
- to chew (food) ineffectually or with difficulty
- an indistinct or low utterance or sound
