apocalyptic
apoc·a·lyp·tic
/əˌpɑːkəˈlıptık/ adj [more ~; most ~]
1 : of, relating to, or involving terrible violence and destruction
No one listened to her apocalyptic predictions/warnings.
a less apocalyptic view of the future
an apocalyptic battle
2 : of or relating to the end of the world
the apocalyptic destruction of the world
apoc·a·lyp·tic·al·ly /əˌpɑːkəˈlıptıkli/ adv