Quick definitions from WordNet (End of the world)
▸ noun: (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
▸ noun: an unpleasant or disastrous destiny ("That's unfortunate but it isn't the end of the world")
▸ noun: (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
▸ noun: an unpleasant or disastrous destiny ("That's unfortunate but it isn't the end of the world")