Apocalyptic (adjective)

1. Relating to or resembling the end of the world, especially as described in the biblical book of Revelation.
2. Relating to a catastrophic event, especially one causing widespread destruction or upheaval.

Origin:

Late 17th century: from greek apokalyptikos, from apokalyptein "uncover, reveal", from apo- "un-" + kalyptein "cover".

Examples:

1. The movie depicts an apocalyptic future where the world has been destroyed by a deadly virus.
2. The apocalyptic scene was filled with rubble, burning buildings and screaming people.
3. Many religious sects believe that the end of the world will come about through an apocalyptic event.
4. The apocalyptic landscape was a result of a massive meteor strike that had wiped out most of the planet.
5. The apocalyptic vision of the future was enough to convince him that immediate action was necessary.