thes·pi·an I. \ˈthespēən\adjective Etymology:Thespis, 6th century B.C. Greek poet and reputed originator of the actor's role in drama + English -an, adjective suffix 1.usually capitalized: of or relating to Thespis 2.often capitalized: relating to the drama : dramatic < a movie director getting excellent thespian cooperation — H.E.Clurman > II. noun (-s) Usage: sometimes capitalized Etymology:Thespis + English -an, n. suffix : actor