babble >> /ˈbæbəl/
Definition: [intransitive verb] Talk rapidly and continuously in a foolish, excited, or incomprehensible way.
Definition: [intransitive verb] (of flowing water) make a continuous murmuring sound.
Definition: [mass noun] The sound of people talking simultaneously.
Example: the answers were difficult to hear amid the babble of conversation
Definition: [mass noun] The continuous murmuring sound of flowing water.