Entry 1 sense Webster, 1913 Eschatological /ĕsˌ-kət-əl-äj'-ĭk-əl/ · Es·cha·to·log·ic·al · IPA /ˌɛskətəˈlɑd͡ʒɪkəl/ 01 a. Pertaining to the last or final things. 1. Pertaining to the last or final things.