Antonyms for the phrase "art capable of" could include "inept," "incapable," "incompetent," and "unskilled." These words suggest a lack of proficiency or the inability to produce art that is of a high quality or standard. Additionally, "art incapable of" could represent a lack of creativity or imagination, alluding to works that are repetitive or unoriginal. Whereas "art capable of" implies the potential for artistic excellence, the antonyms suggest a deficiency in ability or technique, resulting in inferior or unimpressive works of art. In essence, "art incapable of" embodies a lack of skill and innovation, which hinders the production of art that is memorable or inspiring.