The antonyms for the term "art union" can be found by looking at words that are opposite in meaning. Art, essentially, is something that is meant to be appreciated for its beauty or emotional power, while a union is a group or coalition. Thus, antonyms might include words like ugliness, disunity, chaos, division, or disharmony. Art is often associated with creativity, passion, and individualism, while union carries connotations of collaboration, conformity, and shared interests. Understanding the antonyms can help clarify the meaning of the term and add depth to our appreciation of art and its role in the world.