define apocalypse
Apocalypse (á¼ÏÎ¿ÎºÎ¬Î»ÏÏÎ¹Ï) is a Greek word meaning revelation, an unveiling or unfolding of things not previously known and which could not be known apart from the unveiling.. As a genre, apocalyptic literature details the authors' visions of the end times as revealed by an angel or other heavenly messenger. The apocalyptic literature of Judaism and Christianity embraces a considerable period, from the centuries following the exile down to the close of the middle ages.