mumbling Meaning, Definition & Usage

1. noun indistinct enunciation
   
2. noun ineffectual chewing (as if without teeth)
   gumming.
   
3. verb talk indistinctly; usually in a low voice
   mussitate; maunder; mumble; mutter.
   
4. verb grind with the gums; chew without teeth and with great difficulty
   mumble; gum.
   
   • the old man had no teeth left and mumbled his food

WordNet