#1
mumble v. [
mutter, maunder, mussitate] talk indistinctly; usually in a low voice
. wn #2
mumble n. a soft indistinct utterance
. wn #3
mumble v. [
gum] grind with the gums; chew without teeth and with great difficulty; "the old man had no teeth left and mumbled his food"
. wn