Doomsday

n.	1.	A day of sentence or condemnation; day of death.
	2.	The day of the final judgment. I could not tell till doomsday. - Chaucer. Doomsday Book See Domesday Book.

Noun	1.	doomsday - (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 Synonyms: crack of doom, Day of Judgement, Day of Judgment, day of reckoning, end of the world, Judgement Day, Judgment Day, Last Day, Last Judgement, Last Judgment
	2.	doomsday - an unpleasant or disastrous destiny; "everyone was aware of the approaching doom but was helpless to avoid it"; "that's unfortunate but it isn't the end of the world" Synonyms: doom, end of the world, day of reckoning

crack of doom, day, Day of Judgement, Day of Judgment, day of reckoning, end of the world, Judgement Day, Judgment Day, Last Day, Last Judgement, Last Judgment, New Testament