From Longman Dictionary of Contemporary Englishbabblebab‧ble1 /ˈbæbəl/ verb 1 [intransitive, transitive]TALK TO somebody to speak quickly in a way that is difficult to understand or sounds silly I have no idea what he was babbling on about.2 [intransitive]C to make a sound like water moving over stones —babbler noun [countable]→ See Verb table
Examples from the Corpus
babble• Don't pay any attention to her - she's just babbling.• He was running around babbling about someone named Tulkeke.• I always thought he was simply babbling, but suddenly he got up and went.• The woman was babbling incoherently and waving a gun.• Victoria babbled like a brook, chasing motes in the sunbeams.• He babbled on and on until everyone had left the room.• Rump steak, his mind was babbling, rump steak.• I blurted and babbled something and neatly slipped into the make-up shop.babblebabble2 noun [singular] 1 Cthe confused sound of many people talking at the same time the babble of a crowded party2 Ca sound like water moving over stonesExamples from the Corpus
babble• A spontaneous cheer went round the ship, followed by a babble of talk as everyone relaxed.• She talked in a babble like the babble of birds, that ghost from the sea, that white she-ghost.• an hour of babble about UFOs• As the happy couple took their places there was a stir and a rising babble behind them.• Then there's nothing but the implacable, soul-less beat, and a subdued babble of shudders and metallic gasps.• The reforms deserve something better than the babble that has followed them from birth.• The babble of conversation was punctuated by the chink of bottles against glasses.• Migrants came in waves with their babble of tongues.Origin babble1 (1200-1300) Probably from the sound 