The phrase "goes belly up" typically means to fail or collapse. Antonyms for this expression could include "succeeds", "thrives", "flourishes", "prospers", or "prevails". When something "goes belly up", it often suggests a sense of disappointment or a negative outcome. Therefore, identifying antonyms that signify positive results may be helpful in promoting success and achievement. Instead of "going belly up", businesses, individuals, or events can "succeed" or "thrive" with positive effort and determination. Choosing the appropriate antonym for "goes belly up" can enhance communication and create a more optimistic outlook for the future.