babblingEnglishOxford Dictionary of Englishbabbling /ˈbabəlɪŋ , ˈbablɪŋ / ▸ noun [mass noun] 1 the action or fact of talking rapidly and continuously in a foolish, excited, or incomprehensible way: the constant babbling of the kids. 2 the continuous murmuring sound of flowing water: the babbling of a nearby river. ▸ adjective 1 talking rapidly and continuously in a foolish, excited, or incomprehensible way: the noise of babbling tourists you sound like a babbling fool. 2 (of flowing water) making a continuous murmuring sound: a gently babbling brook.