"Art habit of" can be interpreted as a routine or inclination towards artistic endeavors. Antonyms for this phrase could include "non-artistic", "uncreative", or "unimaginative". Someone who lacks an "art habit of" may be more interested in practical or logical pursuits, or may not have a natural inclination towards artistic expression. However, it is important to note that everyone has the potential for creativity and artistic expression, and these antonyms should not be used to categorize or limit individuals. Instead, they can serve as a reminder of the diverse range of interests and abilities that exist among people.