[{"Bold_text": "verb (used without object)", "List Items": ["to whine or complain.", "to make an outcry or clamor.", "to talk loudly and persistently."]}, {"Bold_text": "verb (used with object)", "List Items": ["to utter clamorously, persistently, or in complaint:They yammered their complaints until she let them see the movie."]}, {"Bold_text": "noun", "List Items": ["the act or noise of yammering."]}]