Entry 1 sense Webster, 1913 Thespian /thĕs'-pē-ən/ · Thes·pi·an · IPA /ˈθɛzbi.ən/ 01 a. Of or pertaining to Thespis; hence, relating to the drama; dramatic; as, the Thespian art. 1. Of or pertaining to Thespis; hence, relating to the drama; dramatic; as, the Thespian art.