the period of darkness between sunset and sunrise.
the beginning of this period; nightfall.
the darkness of night; the dark.
a condition or time of obscurity, ignorance, sinfulness, misfortune, etc.:the long night of European history known as the Dark Ages.
(sometimes cap.) an evening used or set aside for a particular event, celebration, or other special purpose:a night on the town;poker night;New Year's Night.
Idiomsnight and day, unceasingly; continually:She worked night and day until the job was done.
adj.
of or pertaining to night:the night hours.
occurring, appearing, or seen at night:a night raid; a night bloomer.
used or designed to be used at night:to take a night coach; the night entrance.
working at night:night nurse; the night shift.
active at night:the night feeders of the jungle.
bef. 900; Middle English; Old English niht, neaht, cognate with German Nacht, Gothic nahts, Latin nox (stem noct-), Greek nýx (stem nykt-)