of or like an apocalypse; affording a revelation or prophecy.

pertaining to the Apocalypse or biblical book of Revelation.

predicting or presaging imminent disaster and total or universal destruction

the apocalyptic vision of some contemporary writers.

adjective

apocalyptical , baneful , dire , direful , fire-and-brimstone , grave , hellfire , ominous , portentous , unlucky , fateful , oracular , predictive , prophetic , revealing