[{"Bold_text": "noun", "List Items": ["an act or instance of falling back.", "something or someone to turn or return to, especially for help or as an alternative:His teaching experience would be a fallback if the business failed."]}, {"Bold_text": "adjective", "List Items": ["Alsofall?-back?.of or designating something kept in reserve or as an alternative:The negotiators agreed on a fallback position."]}]