1. Divulge confidential information or secrets
   "She blabbed out the surprise party plans";
   - spill the beans [informal], let the cat out of the bag, talk, tattle, blab [informal], peach [informal], babble, sing [informal], babble out, give the game away

Derived forms: blabbing out, blabbed out, blabs out

Type of: break, bring out, disclose, discover, divulge, expose, give away, lay bare, let on, let out, reveal, uncover, unwrap