Definitions
1.NounA revealing, especially a prophecy of, or the unfolding of, supernatural events. .mw-parser-output .defdate{font-size:smaller}"The early development of Perl 6 was punctuated by a series of apocalypses by Larry Wall."
2.NounA huge disaster; a cataclysmic event; destruction or ruin of large scope and scale."A nuclear apocalypse would have been possible if tensions went out of control during the Cuban Missile Crisis."
3.NounThe unveiling of events prophesied in the Revelation; the second coming and the end of life on Earth; global destruction.
4.NounThe Book of Revelation.
5.VerbTo reveal.
6.VerbTo dwell on a huge disaster one expects to take place.
7.VerbTo bring about (a huge disaster).