mumblingrepeatedly
adverbUK /ˈmʌm.bəl.ɪŋ rɪˈpiː.tɪd.li/
US /ˈmʌm.bəl.ɪŋ rɪˈpiː.tɪd.li/
Saying something over and over in a quiet, unclear way.
He kept mumblingrepeatedly under his breath during the test.
OTHER MEANINGS
2. Speaking softly and unclearly again and again, often when nervous.
She was mumblingrepeatedly before her speech.
3. Repeating words in a low, indistinct voice without meaning to.
The tired child mumbledrepeatedly as he fell asleep.
4. Saying the same unclear thing many times in a row.
He mumbledrepeatedly, so nobody understood his answer.