The antonyms for the term "art negligent" includes various terms such as artful, skillful, knowledgeable, experienced, diligent, attentive, careful, and meticulous. "Artful" emphasizes the use of skill and creativity to produce something of high quality, while "skillful" denotes having a high degree of proficiency in executing a task. "Knowledgeable" and "experienced" highlight having sound understanding and expertise in a particular area. Similarly, "diligent," "attentive," and "careful" underscore the need for attentiveness and thoroughness in producing something. Lastly, "meticulous" denotes great attention to detail and precision in any task. Thus, these antonyms provide a rich vocabulary to describe individuals who produce art with dedication, skill, and care.