He couldn't stand their endless 'chatter' [='prattle'] about celebrities and movies.
He was 'chattering' [='jabbering'] away on a cell phone.
Children 'chattered' in the middle of the playground.
(..) l saw my whole life as if l'd already lived it,... ..an endless parade of parties and cotillions,... Always the same narrow people, the same mindless chatter. l felt like l was standing at a great precipice... (Rose sobbing) (Rose running and sobbing) Don't do it. (..)1997 Titanic