[{"Bold_text": "verb (used without object)", "List Items": ["to become lively, cheerful, or vigorous, as after depression or sickness (usually followed byup):The patients all perked up when we played the piano for them.", "to act, or carry oneself, in a jaunty manner.", "to put oneself forward briskly or presumptuously."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make smart, trim, or jaunty (sometimes followed byuporout):to perk up a suit with a new white blouse.", "to raise smartly or briskly (often followed byuporout):to perk one's head up."]}, {"Bold_text": "adjective", "List Items": ["perky ; jaunty :a perk manner."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["to percolate:Has the coffee perked yet? The research team is perking with new ideas."]}, {"Bold_text": "noun", "List Items": ["perquisite ."]}]