What does apocalyptic or apocalyptical mean?
The definition of apocalyptic and apocalyptical
A*poc`a*lyp”tic, A*poc`a*lyp”tic*al, a.
Etym: [Gr.

Of or pertaining to a revelation, or, specifically, to the Revelation of St. John; containing, or of the nature of, a prophetic revelation. Apocolyptic number, the number 666, mentioned in Rev. xiii. 18. It has been variously interpreted.