The word "art solicitous" denotes an individual or an act that is concerned with art. The antonyms of this phrase can include a lack of interest in art, indifference towards artistic pursuits, an absence of creativity, and a disregard for aesthetic sensibilities. These antonyms could be expressed through words like uninterested, careless, inattentive, negligent, insensitive, and apathetic. People who possess such qualities might not be inclined to appreciate art, may not invest time in creative expression, and might not seek to engage with artistic communities. In short, the opposite of being "art solicitous" is being disinterested or unconcerned with art.