Language was no barrier; just about every tongue on the planet was babbling away, caught up in the elaborate mystique of a cult.
There was no babbling brook in the background—just the sound of New York traffic.
Children splash around in the babbling river where the infection began, women washing and bathing on rocks in the sun.
mid-13c., babeln "to prattle, chatter," akin to other Western European words for stammering and prattling (cf. Swedish babbla, Old French babillier) attested from the same era, some of which probably were borrowed from others, but etymologists cannot now determine which were original. Probably imitative of baby-talk, in any case (cf. Latin babulus "babbler," Greek barbaros "non-Greek-speaking"). "No direct connexion with Babel can be traced; though association with that may have affected the senses" [OED]. Meaning "to repeat oneself incoherently, speak foolishly" is attested from c.1400. Related: Babbled; babbling.
"idle talk," c.1500, from babble (v.). In 16c., commonly in reduplicated form bibble-babble.