Entry 3 senses · 2 variants Webster, 1913 Epileptic /ĕpˌ-əl-ĕp'-tĭk/ · Ep·i·lep·tic · IPA /ˌɛpɪˈlɛptɪk/ a. n. 01 a. Pertaining to, affected with, or of the nature of, epilepsy. 1. Pertaining to, affected with, or of the nature of, epilepsy. 02 n. One affected with epilepsy. 1. One affected with epilepsy. 2. A medicine for the cure of epilepsy.