The term "art loyal" can be defined as a person who is faithful to the principles and practices of art. In contrast, the antonyms for "art loyal" would be someone who is disloyal, uncommitted, or unfaithful to the arts. Such individuals might have little or no appreciation for the artistic process or may not support the creative endeavors of those around them. They might also be indifferent to the value of art as a form of expression or entertainment. Other antonyms for "art loyal" might include words like disrespectful, neglectful, or apathetic, which indicate a lack of interest or concern for the arts.