let the cat out of the bag

Verb

1.

let the cat out of the bag - divulge confidential information or secrets; "Be careful--his secretary talks" Synonyms: babble out, blab, blab out, peach, spill the beans, tattle, babble, talk, sing

babble, babble out, blab, blab out, break, bring out, disclose, discover, divulge, expose, give away, impart, let on, let out, peach, reveal, sing, spill, spill the beans, talk, tattle