night

noun

1.
the time after sunset and before sunrise while it is dark outside
nightertale Tuesnight dark nighttime
Antonym:
day
Derived from:
nightly
2.
a period of ignorance or backwardness or gloom
3.
the period spent sleeping
4.
the dark part of the diurnal cycle considered a time unit
5.
darkness
nightstound
6.
a shortening of nightfall
nights
7.