1. in a manner that is unclear, indistinct, or hard to understand; while speaking in a low, confused way
Usage: informal; derived from the verb 'mumble'

Examples

• He mumblingly apologized for being late to the meeting.
• She mumblingly recited the poem, barely audible to the audience.
• The student mumblingly answered the teacher's question, unsure of the correct response.
• He mumblingly complained about the cold weather as he walked past.
• The old man mumblingly told stories that no one could quite follow.
• She mumblingly agreed to the plan, though her doubts were evident.