The word "out-done" means to surpass or defeat someone or something, but what are its antonyms? One antonym is "underachieved," which means to have failed to accomplish something or to perform below expectations. Another antonym is "underperformed," which is similar to underachieved but specifically relates to a specific task or event. A third antonym is "matched," which means to meet the level of performance or achievement of someone or something else. Finally, "tied" is an antonym for out-done, which means to achieve the same level of success or performance as someone else. These antonyms give us a full picture of the range of possibilities in terms of success or failure.