The antonyms for the phrase "art positive" can be found in words like "artless," "tasteless," "uncultured," "barren," "insipid," and "vapid." "Artless" suggests a lack of talent or creativity in creating art, while "tasteless" refers to an absence of refinement in artistic expression. "Uncultured" implies a disinterest or lack of knowledge in art and its history. "Barren" and "insipid" imply a lack of creativity or originality in artistic expression. "Vapid" suggests a lack of substance or depth in artistic works. In contrast to "art positive," these antonyms reflect a negative or neutral connotation when it comes to artistic expression.