Mumble
WordNet
noun
(1) A soft indistinct utterance
verb
(2) Talk indistinctly; usually in a low voice
(3) Grind with the gums; chew without teeth and with great difficulty
"The old man had no teeth left and mumbled his food"
WiktionaryText
Verb
- To speak unintelligibly or inaudibly; to fail to articulate.
- Please try not to mumble so I can hear you better.
Noun
- A quiet or unintelligible vocalization.
- All I could hear was a mumble from the next room.
- A low tone of voice.
- He spoke in a mumble.