noun: Used other than figuratively or idiomatically: see dark, night.
noun: Ellipsis of dark night of the soul.. [(Catholicism) a period of time in which a holy person (someone believed to be potentially on their way to sainthood) experiences a seeming withdrawal of God's previously-felt presence in their lives, and undergoes stark spiritual attacks. This period of time is seen (by Catholics) to be a period in which God is calling the holy person to rid themselves of any remaining vestiges of self-pride and vanity that they may have.]