The phrase "art about" is often used to describe creative works that are centered on a particular theme, concept or subject. Antonyms for this phrase could include "artless," which means lacking in artistic merit or skill, or "uncreated," which implies that there is no intentional design or creative intent behind a piece. Other antonyms could include "ordinary," "dull" or "banal," all of which suggest a lack of imagination or originality. On the other hand, synonyms for "art about" might include phrases like "artistic expression," "creative interpretation," or "imaginative exploration," all of which emphasize the creative, thoughtful nature of art.