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

• Costia necatrix
• costiasis
• costing
• costive
• costless
• costliness
• costly
• costmary
• costoaxillary vein
• costochondritis
• costs
• costume
• costume designer
• costumed
• costumer
• costumier
• costus oil
• costusroot
• cosy
• cot
• cot death
• Cotacachi
• cotan
• cotangent
• cote