Adjective mumbling has 1 sense
  1. mumbling, muttering - speaking low and indistinctly; "a mumbling parson stood beside the dying man"; "muttering crowds of onlookers"
    Antonyms: nonspeaking, walk-on (indirect, via speaking)
,Noun mumbling has 2 senses
  1. mumbling - indistinct enunciation
    --1 is a kind of
    enunciation, diction
    Derived form: verb mumble1
  2. mumbling, gumming - ineffectual chewing (as if without teeth)
    --2 is a kind of chew, chewing, mastication, manduction
    Derived form: verb mumble2
,Verb mumble has 2 senses
  1. mumble, mutter, maunder, mussitate - talk indistinctly; usually in a low voice
    --1 is one way to talk, speak, utter, mouth, verbalize, verbalise
    Derived forms: noun mumbler1, noun mumbling1
    Sample sentences:
    Sam and Sue mumble
    They mumble that there was a traffic accident
  2. mumble, gum - grind with the gums; chew without teeth and with great difficulty; "the old man had no teeth left and mumbled his food"
    --2 is one way to chew, masticate, manducate, jaw
    Derived form: noun mumbling2
    Sample sentence:
    Somebody ----s something
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