ElysiumPronunciation: /ɪˈlɪzɪəm/ Greek MythologyDefinition of Elysium the place at the ends of the earth to which certain favoured heroes were conveyed by the gods after death. (as noun an Elysium) a place or state of perfect happiness. Origin:via Latin from Greek Elusion (pedion) '(plain) of the blessed'Elysium in other Oxford dictionaries Definition of Elysium in the US English dictionary