0 past simple and past participle of mumble
1 to speak quietly and in a way that is not clear so that the words are difficult to understand:
She mumbled something about being too busy.
[ + speech ] "I'm sorry," he mumbled.
This method of responding was chosen because prior work in the lab suggested that adult participants often mumbled in speech repetition tasks, making them difficult to comprehend.
She mumbled something, repeated it, and the warden gathered that she was looking for her teeth which she thought she had left under the pillow.
If he did, he must have done so in an extraordinarily mumbled way.
The issue of pay-when-paid is fairly important, but is not very clearly understood owing to the fact that many mumbled words have been uttered.
When pressed, he mumbled something about social security assistance.
I mumbled some unconvincing explanation and went on my way.
My officials mumbled the phrase that it was covered by the rate support grant.
He mumbled about some sort of community project, so that the joyriders could channel their energies into other things.
