[{"Bold_text": "verb (used without object)", "List Items": ["to be sulky or morose; show discontent; complain, especially in an irritable way."]}, {"Bold_text": "noun", "List Items": ["a sulky, complaining, or morose person.Synonyms: grumbler , killjoy , crab , spoilsport", "a sulky, irritable, or morose mood."]}]