trivial, feeble, silly, or tedious talk or writing.

to talk in a trivial, feeble, silly, or tedious manner; prate.

to utter as twaddle.

noun

babble , balderdash * , baloney * , bs , bull , bunk * , chatter , crap , drivel , foolishness , gibberish , hogwash * , hooey , hot air * , idle talk , jive * , mumbo jumbo * , palaver , poppycock * , prattle , rubbish , silliness , trash * , tripe , blather , blatherskite , double talk , gabble , jabber , jabberwocky , jargon , nonsense , prate , balderdash , bunkum , claptrap , garbage , idiocy , piffle , poppycock , rigmarole , tomfoolery , trash , blabber , bosh , bunk , chat , flummery , fustian , moonshine , pap , rot , talk , tommyrot , tosh