WordWeb Online

1. (contemptuous, as intensifier) total, complete; foolish or idiotic

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

Type of: blab [informal], blabber [informal], chatter, clack [informal], gabble, gibber, 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], yatter [Brit, informal]