Synonyms for babble:
footstep, peep, twang, whirr, yack, pitter-patter, spout, mumble, sizzle, rustling, philosophize, bumble, rake over, trill, run on, whir, spiel, yak, pit-a-pat, squelch, drone on, ramble on, bang on, growl, putter, equivocate, blatherskite, fizz, rattle on, hold forth, babel, talk away, waffle, jangle, yap, thrum, meander, whoosh, rave, moan.
scratch, go on.
Other synonyms and related words:
ruffle, sing, lallation, slobber, rustling, bumble, gas, blab, whistle, yak, belch, play around, twitter, gibber, riffle, splash, mumbo jumbo, guggle, Double Dutch, blurt, mouth, growl, blatherskite, gabble, rustle, philosophize, chat, gossip, jangle, pad, babel, spill the beans, sputter, rattle, sigh, smatter, ramble on, small talk, whisper, jabberwocky, jaw, mumble, roar, sound, racket, gibberish, talk away, yack, blurt out, let the cat out of the bag, jargon, twaddle, equivocate, rattle on, verbalize, chaffer, throb, knock, gurgle, blether, verbalise, rave, go on, whirr, bubble, twang, burble, uproar, dabble, spill, tittle-tattle, babbling, rasp, piffle, pitter-patter, yap, abracadabra, slur, crunch, cackle, groan, spout, prate, stamp, murmur, wind, blabber, blow, fizzle, meander, babble out, waffle, maunder, palaver, grunt, footfall, blab out, whir, blither, ripple, buzz, tread, burp, scratch, trill, pit-a-pat, clack, spiel, ramble, peach.
Sense 1 (noun)
bumble, slur, waffle, sputter, equivocate, mumble.
Sense 3 (noun)
Sense 4 (noun)
Sense 5 (noun)
footfall, hiccup, babel, pad, footstep.
Sense 6 (noun)
fizzle, peep, pitter-patter, pit-a-pat.
empty talk (noun)