Last man standing is an idiom that signifies the sole survivor or winner in a competition or conflict. There are several similar phrases and synonyms for the expression "last man standing" that can be used to describe the same situation. For instance, "sole survivor", "final victor", "lone survivor", and "ultimate champion" are a few of the synonyms for last man standing. Moreover, "sole survivor" depicts a person who has survived a disaster or catastrophe. Similarly, "final victor" refers to the winner of an intense battle or game. Whereas, "ultimate champion" emphasizes the winner of a tournament or competition, and "lone survivor" denotes an individual who survived a wreck or accident. Ultimately, all these words imply the same thing, the only person who manages to survive or win a competition is the last man standing.