BLABBERED
Scrabble letter values: B3L1A1B3B3E1R1E1D2 = 16
Definition
BLABBERED is the past tense of BLABBER.
verb BLABBER: speak (about unimportant matters) rapidly and incessantly.
Synonyms of BLABBER: chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder