The antonyms for the word "art diligent" can be expressed in various ways. The opposite of being diligent with art is being careless or lazy. Someone who is less engaged in their art could be said to be unambitious or indifferent. If a person is not diligent in their craft, they may be described as negligent or even indolent. The antonyms also suggest a lack of enthusiasm and commitment to their art form. They may be thought of as uninspired or simply not passionate about what they do. Overall, the antonyms of art diligent show the importance of hard work, dedication, and effort to create successful pieces of art.