The Collaborative International Dictionary
Eschatological \Es`cha*to*log"ic*al\, a. Pertaining to the last or final things.
Wiktionary
a. Pertaining to eschatology.
WordNet
adj. of or relating to or dealing with or regarding the ultimate destiny of mankind and the world
Usage examples of "eschatological".
Mel was the eschatological counselor of the Cozzano clan, drafter of wills, executor of estates, godfather of children, and if the whole world turned to decadence and strife one day and civilization collapsed, and Dad were trapped on a hilltop surrounded by the heathen, Mel would shoot himself in the head so that Dad could use his corpse as a rampart.
In the Persian Zoroastrian eschatological myth, which appears to have been the first in which such a prospect was seriously envisioned, the day of the great transformation was to be in the nature of a cosmic crisis, when the laws of nature would cease to operate and an eviternity of no time, no change, no life as we know life then come into being.