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

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

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