Greco-Roman UK /ˌɡɹiːkəʊˈɹəʊmən/US /ˌɡɹɛkoʊˈɹoʊmən/ adjective2 •Of or pertaining to Greek or Roman culture.In the beginning and height of the Greco-Roman civilization, everyone was expected to have courage, because it was deemed to be the First Virtue above all others. •Describing Greco-Roman wrestling, a form of wrestling where fighters may only attack above the waist. formsmore Greco-Roman · most Greco-Roman