SYNONYMS
prattle, blather, blether, blither, babble, babble on, gabble, prate, drivel, rattle away, rattle on, ramble, maunder, go on, run on, talk at length, talk incessantly, talk a lot, chatter, yap, gossip
British talk nineteen to the dozen
Scottish, Irish slabber on
informal jabber, blabber, yatter, jaw, gab, gas, chit-chat, yackety-yak
British informal rabbit, witter, waffle, natter, chunter, talk the hind legs off a donkey
North American informal run off at the mouth
Australian, New Zealand informal mag
archaic twaddle, twattle, claver, clack