Definitions of mumbling
  1. noun
    indistinct enunciation
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    type of:
    diction, enunciation
    the articulation of speech regarded from the point of view of its intelligibility to the audience
  2. noun
    ineffectual chewing (as if without teeth)
    synonyms: gumming
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    type of:
    chew, chewing, manduction, mastication
    biting and grinding food in your mouth so it becomes soft enough to swallow
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