Entry 1 sense Webster, 1913 Mithridatic /(mĭth`rĭ*dăt"ĭk)/ · Mith·ri·dat·ic · IPA 01 a. Of or pertaining to King Mithridates, or to a mithridate. 1. Of or pertaining to King Mithridates, or to a mithridate.