Mumble :: Mumble (v.) To speak with the lips partly closed, so as to render the sounds inarticulate and imperfect; to utter words in a grumbling indistinct manner, indicating discontent or displeasure; to mutter..
Mumble :: Mumble (v.) To chew something gently with closed lips.
Mumble :: Mumble (v. t.) To utter with a low, inarticulate voice..
Mumble :: Mumble (v. t.) To chew or bite gently, as one without teeth..
Mumble :: Mumble (v. t.) To suppress, or utter imperfectly..