1. To talk foolishly
   - babble, blather, smatter, blether [UK, dialect]

1. Lacking or showing a lack of due concern
   "spoke with blithe ignorance of the true situation" 
2. Carefree and happy and lighthearted
   "was loved for her blithe spirit"
   - blithesome [archaic], lighthearted, lightsome, light-hearted

Derived forms: blithers, blithered, blithering

See also: blithely, blitheness, cheerful, unconcerned

Type of: blab, blabber, chatter, clack, gabble, gibber, maunder, palaver, piffle, prate, prattle, rabbit [Brit], tattle, tittle-tattle, twaddle, witter [Brit], yabber [Brit]

Encyclopedia: Blithe

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