verb / noun
babble
BAB-ul/bˈæbʌl/
Confused or unclear talk.
The flustered woman babbles about the spill while her companion offers a cloth.

Etymology
Babeln meant to prattle or speak indistinctly and was probably ultimately imitative of baby talk. Its extension to excessive talking connects that image of unclear speech with foolish chatter.
In context
who is watching a professor babble on and on about engagement in the most disengaging way possible.
More examples
- A confused babble of voices rose from the crowded hall.
- The baby babbled happily without forming recognizable words.
- He kept babbling when nervous, jumping from subject to subject.
Forms
babble · babbles · babbled · babbling