The phrase "rough go" denotes a difficult or unpleasant experience. Its antonyms include easy, smooth, effortless, and comfortable. When things are going smoothly, we often use these antonyms as well as trouble-free, troubleless, uncomplicated, and simple. On the other hand, difficult or troublesome moments may turn into delightful or rewarding experiences, making the antonyms for "rough go" apply to them too. Pleasant, enjoyable, effortless, and undemanding are all words we may use to describe things or situations we find easy to handle, navigate, or enjoy. So, whether we are going through a period of hardship or a time of ease, it is helpful to have antonyms at our disposal to convey our experiences more accurately.