[{"Bold_text": "noun", "List Items": ["the advance group in any field, especially in the visual, literary, or musical arts, whose works are characterized chiefly by unorthodox and experimental methods."]}, {"Bold_text": "adjective", "List Items": ["of or relating to the experimental treatment of artistic, musical, or literary material.", "belonging to the avant-garde:an avant-garde composer.", "unorthodox or daring; radical :To regain public trust in the news media, the organization took the avant-garde approach of including the public in the production of news."]}]