"Putting through the grind" refers to an arduous or repetitive task, often unpleasant or difficult. The antonyms for this phrase would entail activities that are enjoyable, easy, or relaxing. They could include leisurely pursuits such as lounging on a beach, reading a book, taking a nature hike, or spending time with family and friends. Other antonyms could be engaging in creative hobbies like painting, pottery, or music, or enjoying physical activities like yoga, swimming, or playing sports. Essentially, any positive activity that provides reprieve from hard work or stress could be an antonym for "putting through the grind".