Synonyms for blab

Verb

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

usage: divulge confidential information or secrets; "Be careful--his secretary talks"

2. chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble, talk, speak, utter, mouth, verbalize, verbalise

usage: speak (about unimportant matters) rapidly and incessantly