noun
definition
A quiet or unintelligible vocalization; a low tone of voice.
example
All I could hear was a mumble from the next room.
Examples of mumbles in a Sentence
Looking timid behind a huge guitar on a vast stage he mumbles his way through acoustic tracks across his four solo albums.
The deep-sea fisheries on the south-western coasts are of some importance; the Mumbles, Tenby and Milford Haven being the chief centres of this industry.
Under an act of 1791 harbour trustees were appointed who cleared and deepened the river bed and built a long pier on either side of it; in 1796 the approach to the port was made safer by means of an improved light on Mumbles Head.