The term "winned out" doesn't have any specific antonyms. However, there are words that can be used to mean the opposite of "winned out" in different contexts. For example, when we talk about a competition, the antonyms for "winned out" could be "lost" or "defeated." In a business context, the antonyms could be "failed" or "missed the mark." In a personal context, the antonyms could vary depending on the situation, but generally, it could mean "gave up" or "surrendered." Ultimately, the antonyms for "winned out" are words that convey the opposite outcome, whether it be a competition, business venture, or personal endeavor.