Main Entry: apoc·a·lyp·tic

Pronunciation: \ə-ˌpä-kə-ˈlip-tik\

Variant(s): also apoc·a·lyp·ti·cal \-ti-kəl\

Function: adjective

Date: 1663

1 : of, relating to, or resembling an apocalypse
2 : forecasting the ultimate destiny of the world : prophetic
3 : foreboding imminent disaster or final doom : terrible
4 : wildly unrestrained : grandiose
5 : ultimately decisive : climactic <an apocalyptic battle>

— apoc·a·lyp·ti·cal·ly \-ti-k(ə-)lē\ adverb