noun
plural nights
the time of darkness between one day and the next :the part of the day when no light from the sun can be seen and most people and animals sleep [noncount]
[noncount] :the darkness that occurs during the nighttime
[count] :the final part of the day that is usually after work, school, etc., and before you go to bed :the early part of the night :evening
[count] an evening or night that has a special event
the part of a special day that occurs during the nighttime
day and night
or night and day
night night
or nighty night - used by a child or when speaking to a child as a way of saying good night
the still of the night
adjective
always used before a noun
of or relating to the night
for use at night
happening at night
active, working, or operating at night