blab meaning and definition

BLAB verb

Definition of blab (verb)

1. divulge confidential information or secrets
   • "Be careful--his secretary talks"
   • synonyms: babble, babble out, blab out, let the cat out of the bag, peach, sing, spill the beans, talk, tattle
   • antonym: keep one-s mouth shut
2. speak (about unimportant matters) rapidly and incessantly
   • synonyms: blabber, chatter, clack, gabble, gibber, maunder, palaver, piffle, prate, prattle, tattle, tittle-tattle, twaddle