n.
1.the time after sunset and before sunrise while it is dark outside
2.the time between sunset and midnight
3.the period spent sleeping
4.the dark part of the diurnal cycle considered a time unit
5.darkness
6.a shortening of nightfall
7.a period of ignorance or backwardness or gloom
8.Roman goddess of night
Idiom of the Day
can't do anything about (someone or something)
to be unable to manage or control someone or something
I cannot do anything about the noise in our office.