0 present participle of mumble --
1 to speak quietly and in a way that is not clear so that the words are difficult to understand: --
[ + speech ] "I'm sorry," he mumbled.
She mumbled something about being too busy.
I must have been mumbling more incoherently than usual.
I shall happily give way if he wishes to intervene so that he may stop mumbling.
It is a generation impatient of the mumblings and bumblings and fumblings of what has too often passed for statesmanship.
I, for my part, obviously voted against these attempts, but there are still mumblings about our still having a long way to go.
My beliefs are reinforced by the mumblings and manifestations taking place all over the country.
I am glad that he has now stopped mumbling.
They are on their bottoms, mumbling, but they are not standing.
He is mumbling and speaking too fast because he does not want us to hear what he is saying.