Overwatch is a popular multiplayer first-person shooter game developed by Blizzard Entertainment. Synonyms for the term 'Overwatch' include surveillance, lookout, guardianship, vigilance, monitoring, supervision, and observation. These words depict the role players assume in the game, where they are responsible for watching over their team and protecting them from enemy attacks. Similarly, in real-life scenarios, these synonyms are used to describe the act of keeping watch, protecting, and monitoring surroundings and people for security reasons. In conclusion, the term Overwatch encompasses various synonyms that portray a sense of responsibility and security in different contexts.