doomsday

Doomsday (http://definr.com/Doomsday)

     n 1: (New Testament) day of the Last Judgment when God will
          decree the fates of all men according to the good and
          evil of their earthly lives [syn: Judgment Day, {Judgement
          Day}, Day of Judgment, Day of Judgement, Doomsday,
           Last Judgment, Last Judgement, Last Day]
     2: an unpleasant or disastrous destiny; "everyone was aware of
        the approaching doom but was helpless to avoid it" [syn: doom,
         day of reckoning]