[{"Bold_text": "noun", "List Items": ["foolish or meaningless chatter; prattle :the constant babbling of idle gossips.", "the random production of meaningless vocal sounds characteristic of infants around the age of three months."]}, {"Bold_text": "adjective", "List Items": ["chattering or prattling aimlessly:The babbling crowd quieted and funneled back into the auditorium at the end of intermission.", "making a continuous murmuring sound:a babbling brook."]}]