The word "more unartful" implies a lack of skill or elegance in a particular activity or behavior. Its antonyms, or opposites, would be words that describe skillful, elegant, or refined qualities. Some antonyms for "more unartful" could be words such as polished, graceful, sophisticated, adept, dexterous, agile, expert, elegant, refined, or skilled. Using these antonyms can help to enhance a description or statement about a particular person's or thing's capabilities, style, or proficiency in a particular field or activity. By using these antonyms, the writer or speaker can convey a more positive and favorable impression about the subject matter.