WordWeb Online

1. Prone to communicate confidential information
   - blabbermouthed, leaky, talebearing

1. Speak (about unimportant matters) rapidly and incessantly
   - chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, blabber, gabble, vapor [Brit, Cdn], witter [Brit], rabbit [Brit], yabber [Brit], yatter [Brit]
    
2. Divulge confidential information or secrets
   "Be careful--his secretary tattles";
   - spill the beans, let the cat out of the bag, talk, blab, peach, babble, sing, babble out, blab out

See also: communicative, communicatory

Type of: break, bring out, disclose, discover, divulge, expose, give away, lay bare, let on, let out, mouth, reveal, speak, talk, unwrap, utter, verbalise [Brit], verbalize

Encyclopedia: Tattle