WordWeb Online

1. Foolish gibberish
   - blatherskite
    
2. Idle or foolish and irrelevant talk
   - prate, prattle, idle talk, blether [UK, dialect], chin music [US, informal], twattle [UK, dialect]

1. To talk foolishly
   "The two women blathered and crooned at the baby";
   - babble, smatter, blether [UK, dialect], blither

Derived forms: blathers, blathering, blathered

Type of: blab [informal], blabber [informal], cackle, chatter, clack [informal], gabble, gibber, gibberish, maunder, palaver [informal], piffle, prate, prattle, rabbit [Brit, informal], tattle, tittle-tattle, twaddle [informal], twattle [UK, dialect], vapor [US], vapour [Brit, Cdn], witter [Brit, informal], yabber [Brit, informal], yack [informal], yackety-yak [informal], yak, yakety-yak, yatter [informal]