The term "art striking" can be interpreted in a number of ways, but generally it refers to something aesthetically pleasing or visually impactful. Antonyms for this term could include words like "unimpressive," "unremarkable," or "mediocre." Other potential antonyms might include words like "ordinary," "commonplace," or "uninspired," which all suggest a lack of distinctiveness or originality. Alternatively, one might use antonyms that relate specifically to the concept of striking or catching the eye, such as "subtle," "understated," or "unobtrusive." Ultimately, the choice of antonym will depend on the context in which the term "art striking" is being used.