"Coming one" is a phrase often used to describe something that is about to happen or arrive. The antonyms for this phrase would be "going away" or "departing". Instead of focusing on what is to come, these antonyms suggest a departure from the present. Another antonym could be "stagnant", implying that nothing is happening or changing at this time. Alternatively, "past" could be considered an antonym, representing something that has already happened instead of what is yet to come. By considering the antonyms for "coming one", we can better understand and describe the state of a situation.