Twaddle1. (v. i. & t.) To talk in a weak and silly manner, like one whose faculties are decayed; to prate; to prattle.
2. (n.) Silly talk; gabble; fustian.
Thesaurus Entries
absurdity, amphigory, babble, babblement, balderdash, bavardage, bibble-babble, blab, blabber, blah-blah, blather, blether, blethers, bombast, bosh, bull, bullshit, cackle, caquet, caqueterie, chat, chatter, chitter-chatter, clack, claptrap, clatter, dither, double-talk, drivel, drool, fiddle-faddle, fiddledeedee, flummery, folderol, fudge, fustian, gab, gabble, galimatias, gammon, gas, gibber, gibberish, gibble-gabble, go on, gobbledygook, gossip, guff, gush, haver, hocus-pocus, hot air, humbug, idle talk, jabber, jargon, jaw, malarkey, mere talk, mumbo jumbo, narrishkeit, natter, niaiserie, nonsense, nonsense talk, pack of nonsense, palaver, patter, piffle, poppycock, pour forth, prate, prating, prattle, prittle-prattle, ramble on, rant, rattle, rattle on, reel off, rigamarole, rigmarole, rodomontade, rubbish, run on, skimble-skamble, spout, spout off, stuff and nonsense, stultiloquence, talk away, talk nonsense, talk on, talkee-talkee, tittle-tattle, tommyrot, trash, trumpery, twattle, twiddle-twaddle, vapor, vaporing, waffle, waffling, yak, yakkety-yak