(colloquial, usually childish) Alternative spelling of nighty night

A creature which flies at night; a nocturnal flier or traveler. / (often attributive) One who departs or flees at night in order to avoid creditors, law enforcement etc.

Alternative spelling of nightlight

plural of night school

Walpurgisnacht ("Walpurga's night"), a feast of witchcraft in German folklore, observed on 30 April. / (by extension) Any orgiastic or bacchanalian party.

A regularly scheduled period of work, during evening or night hours. / A group of workers who work during the night.

A party held for a woman who is about to be married, normally attended only by female friends and relatives.

A session in a club, theatre etc. in which amateurs perform, rather than professionals.

Alternative spelling of nighthawk

(idiomatic) A person whose preference or custom is to remain awake and active during the evening and early morning (night) hours, and who usually sleeps during part of the daytime.