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.
– derivatives
mumbler noun,
mumbling adjective,
mumblingly adverb.
mumbler noun,
mumbling adjective,
mumblingly adverb.
'mumble' also found in these Oxford entries:

