blab

Meanings

• divulge confidential information or secrets
• speak (about unimportant matters) rapidly and incessantly

Synonyms

babble, babble out, blab out, blabber, chatter, clack, gabble, gibber, let the cat out of the bag, maunder, palaver, peach, piffle, prate, prattle, sing, spill the beans, talk, tattle, tittle-tattle, twaddle