The antonyms for the word "art unlike" are numerous, as the term refers to a lack of artistic qualities or a deviation from accepted art forms. Some antonyms might include "artistic," "creative," "innovative," "original," "imaginative," and "expressive." Other antonyms might include descriptors such as "ordinary," "conventional," "repetitive," "formulaic," and "boring." Additionally, some antonyms may reflect a complete contrast in style or form, such as "surreal," "abstract," or "non-representational." Ultimately, the use of antonyms for "art unlike" will depend on the specific context and desired effect of the communication.