The sound of people talking quickly and in a way that is difficult or impossible to understand. The babble of voices in the crowded room made it hard to concentrate.
A continuous murmuring sound, such as that made by a stream. The gentle babble of the brook was soothing to listen to.
Meaningless or foolish talk; prattle; nonsense. Tired of the endless babble, she put on her headphones and tuned it out.