The term "ax grind" is often used to refer to a tedious or difficult task that is necessary but not enjoyable. However, there are numerous antonyms that can be used to describe activities that are easy, enjoyable, and fulfilling. Some possible antonyms for "ax grind" include leisure, recreation, relaxation, pleasure, joy, and fun. These words suggest activities that are not only free of the drudgery and monotony associated with an ax grind but also provide a sense of satisfaction, happiness, and fulfillment. So, instead of grinding away at dull tasks, it's always better to find something that brings joy and pleasure to one's life.