mumble
//ˈmʌm.bəl//
Verb
mumbleInfinitive
mumblePresent tense
mumbledPast tense
mumbledPast participle
mumblingPresent participle
mumblesThird-person singular
1
To speak in a low, indistinct manner, often with the mouth partly closed, making it difficult for others to understand.
He mumbled his answer, so I couldn't hear what he said.
2
To chew or bite something softly and ineffectively, especially without teeth.
The baby mumbled the soft bread with her gums.
Antonym
Noun
1
A low, indistinct utterance or sound that is difficult to understand.
I couldn't understand his mumble over the phone.