[{"Bold_text": "adjective", "List Items": ["Alsoepidemical.(of a disease) affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.Compare pandemic(def1) pandemic(def1).", "extremely prevalent; widespread ."]}, {"Bold_text": "noun", "List Items": ["a temporary prevalence of a disease.", "a rapid spread or increase in the occurrence of something:an epidemic of riots."]}]