mumble


Concise Oxford English Dictionary © 2008 Oxford University Press:
mumble/ˈmʌmbl/
verb
  • 1 say something indistinctly and quietly.
  • 2 bite or chew with toothless gums.
noun a quiet and indistinct utterance.
– derivatives
mumbler noun,
mumbling adjective,
mumblingly adverb.
– origin ME: frequentative of mum2.
'mumble' also found in these Oxford entries:

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