[{"Bold_text": "noun", "List Items": ["a person who has special knowledge or skill in a field.", "a person who excels in musical technique or execution.", "a person who has a cultivated appreciation of artistic excellence, as a connoisseur or collector of objects of art, antiques, etc.", "Obsolete.a person who has special interest or knowledge in the arts and sciences; scientist; scholar."]}, {"Bold_text": "adjective", "List Items": ["Alsovir·tu·os·ic[] of, relating to, or characteristic of a virtuoso:a virtuoso performance."]}]