WordWeb Online

1. Divulge confidential information or secrets
   "Be careful--his secretary lets the cat out of the bag";
   - spill the beans, talk, tattle, blab [informal], peach [informal], babble, sing [informal], babble out, blab out [informal], give the game away

Derived forms: let the cat out of the bag, letting the cat out of the bag, lets the cat out of the bag

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

Encyclopedia: Let the cat out of the bag