Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun blabber

1 sense of blabber

Sense 1
informer, betrayer, rat, squealer, blabber -- (one who reveals confidential information in return for money)
       => informant, source -- (a person who supplies information)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb blabber

1 sense of blabber

Sense 1
chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble -- (speak (about unimportant matters) rapidly and incessantly)
       => talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")