I. ˈnīt noun
Etymology: Middle English, from Old English niht; akin to Old High German naht night, Latin noct-, nox, Greek nykt-, nyx
Date: before 12th century
1. : the time from dusk to dawn when no sunlight is visible
2.
a. : an evening or night taken as an occasion or point of time
the opening night
b. : an evening set aside for a particular purpose
3.
a. : the quality or state of being dark
b. : a condition or period felt to resemble the darkness of night: as
(1) : a period of dreary inactivity or affliction
(2) : absence of moral values
c. : the beginning of darkness : nightfall
• night·less -ləs adjective
II. adjective
Date: before 12th century
1. : of, relating to, or associated with the night
night air
2. : intended for use at night
a night lamp
3.
a. : existing, occurring, or functioning at night
night baseball
a night nurse
b. : active or functioning best at night
night people