/ Thesaurus / B Synonyms of blabber Find synonyms for: Noun1. informer, betrayer, rat, squealer, blabber, informant, sourceusage: one who reveals confidential information in return for moneyVerb1. chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble, talk, speak, utter, mouth, verbalize, verbaliseusage: speak (about unimportant matters) rapidly and incessantlyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language