The phrase "comes undone" implies a state of disarray or failure, but what are its antonyms? Some options include "comes together" or "coalesces" which suggest a successful completion. Other antonyms might include "succeeds" or "solves" which indicate a problem was resolved. Additionally, "solidifies" can signify something that was previously chaotic becoming more stable. It's important to note that antonyms for "comes undone" may vary depending on the specific context in which the phrase is used. But ultimately, the antonyms represent a sense of order and accomplishment rather than chaos and disappointment.