The term "out-living" refers to living longer than someone or something else. Its antonyms can be "dying before," which means to pass away before someone or something else, or "under-living," which refers to living for a shorter period than someone or something else. Another antonym could be "inferior living," meaning living a life of lower quality or standard compared to someone or something else. Whatever the antonym, it highlights the opposite of out-living, which is the ability to live longer or better than others. Understanding antonyms is essential to comprehend the full meaning of a word and its opposite.