The phrase "art short of" implies a lack of skill, creativity, or ability in a particular artistic field. Antonyms for this phrase could include phrases like "master of", which suggests a high level of proficiency, or "gifted in", which implies a natural talent for the artform. Other antonyms could include "accomplished", "adept", "skilled", "talented", or "proficient", all of which suggest expertise and talent in a particular area. By contrast, "art short of" implies a degree of incompetence, inexperience, or lack of ability, making these antonyms especially apt for those who wish to convey a sense of skill and accomplishment in their artistic pursuits.