Attila the Hun was a powerful leader and conqueror known for his military prowess and ruthless tactics. Synonyms for Attila the Hun could include titles such as barbarian king, warlord, conqueror, plunderer, marauder, and scourge. These terms highlight Attila's reputation for violence and conquest, as well as his role in shaping the history of Europe and the world. While Attila's actions may be morally problematic, there is no denying his impact on history and his status as a legendary figure of the ancient world.