The antonyms for "come rest" are "depart" and "keep moving". When we say "come rest", we refer to someone stopping their activity and taking some time to relax. The antonyms, "depart" and "keep moving", suggest the opposite - that the person continues with their activity and doesn't take a break. In other words, they are restless and never stop. "Depart" indicates that the person is leaving a place or moving away from something, while "keep moving" suggests that they are constantly on the move or progressing forward. Therefore, the antonyms of "come rest" are about being active and moving forward rather than taking a break.