a·poc·a·lypse /əˈpäkəˌlips/ noun noun: Apocalypse; noun: the Apocalypse; noun: apocalypse; plural noun: apocalypses 1. the complete final destruction of the world, as described in the biblical book of Revelation. (especially in the Vulgate Bible) the book of Revelation. singular proper noun: Apocalypse 2. an event involving destruction or damage on an awesome or catastrophic scale. "a stock market apocalypse" June 7, 2021: 10k readsAll Rights Reserved