The antonyms for the word "art obtainable" could be "unattainable art", "inaccessible art", "exclusive art", "rare art", or "premium art". These antonyms describe art that is either difficult to find or not easily attainable. Some art could be exclusive to a certain group or individuals, while rare art could be one-of-a-kind or very limited in quantity. Premium art could be expensive and not affordable for everyone. In contrast, art obtainable refers to art that is readily available and easy to obtain. It could encompass different styles, mediums, and price ranges, making it accessible to a wider audience.