Entry 1 sense Webster, 1913 Eschatology · Es·cha·tol·o·gy · IPA /ˌɛs.kəˈtɔl.ə.d͡ʒi/ 01 n. The doctrine of the last or final things, as death, judgment, and the events therewith connected. 1. The doctrine of the last or final things, as death, judgment, and the events therewith connected.