WordWeb Online

1. Divulge confidential information or secrets
   "Be careful--his secretary spills the beans";
   - let the cat out of the bag, talk, tattle, blab, peach, babble, sing, babble out, blab out

Derived forms: spilling the beans, spilt the beans, spills the beans

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