The phrase "being worse for wear" is typically used to describe an object or person that is damaged, tired, or worn out. The antonym for this phrase would be "being good as new", which signifies that something has been restored to its original condition or that a person is feeling fully recovered. Other antonyms could include "being refreshed", "being re-energized", "being rejuvenated," or "being revitalized." These words imply that something or someone has been revitalized and is now looking or feeling better than before. So, the next time you hear someone exclaim "being worse for wear," you can use these antonyms to bring positivity and optimism to the situation.