Noah Webster
Mumblingly
MUM'BLINGLY, adverb With a low inarticulate utterance. [Mumble and mutter are not always synonymous; mutter often expresses peevishness, which mumble does not.]
MUM'BLINGLY, adverb With a low inarticulate utterance. [Mumble and mutter are not always synonymous; mutter often expresses peevishness, which mumble does not.]