The word "un cultured" refers to someone who lacks knowledge or sophistication in the arts, literature, or other areas of culture. Antonyms for "un cultured" would be "cultured" or "refined." Cultured individuals are those who are well-versed in various aspects of culture, including music, literature, art, and history. They demonstrate a deep appreciation for the arts, and their knowledge and exposure to various forms of culture make them more sophisticated and worldly. Refined individuals are those who exhibit good manners, intelligence, and good taste in all aspects of their lives. Thus, antonyms for "un cultured" are positive attributes that reflect a well-rounded, educated individual.