Boot Hill is a term that originated in the American Wild West. It refers to a cemetery where those who died by gunshots or violence were buried with their boots on. The term has since been used to describe any cemetery where outlaws or notorious individuals are buried. However, there are several synonyms for this term that can be used when talking about these cemeteries. Some of the common synonyms include "gunfighter graveyard", "outlaw cemetery", "dead man's hill", or "death row graveyard". These synonyms help to paint a vivid picture of the rough and violent nature of the Wild West.