gravestone n. + Add to list US //ˈɡɹeɪvˌstoʊn// UK //ɡɹˈeɪvstəʊn// grave·stone SynonymsEtymology Synonyms headstonetombstoneOriginMEgraveston→ENgravestone From Middle English graveston, gravestone, gravestan, equivalent to grave + stone.