Antonyms for the phrase "art adjacent to" include terms such as "separate," "removed," and "disconnected." The word "separate" means to divide or isolate, indicating a complete lack of proximity. Meanwhile, "removed" implies a state of physically distant, indicating something that is farther away from the object or space in question. Lastly, the word "disconnected" pertains to a situation where something is not directly linked or related. All of these antonyms present an opposing idea to the meaning of "art adjacent to," which suggests something that is closely related or situated near a creative piece or expression.