1. [ noun ] the time after sunset and before sunrise while it is dark outside
Synonyms: dark nighttime
Related terms: day time_period wedding_night weeknight day midnight lights-out late-night_hour small_hours evening
2. [ noun ] a period of ignorance or backwardness or gloom
Related terms: time_period
3. [ noun ] the dark part of the diurnal cycle considered a time unit

"three nights later he collapsed"

Related terms: time_unit
4. [ noun ] darkness

"it vanished into the night"

Related terms: dark
5. [ noun ] the period spent sleeping

"I had a restless night"

Related terms: time_period
6. [ noun ] a shortening of nightfall

"they worked from morning to night"

Related terms: twilight
7. [ noun ] the time between sunset and midnight

"he watched television every night"

Related terms: time_period
8. [ noun ] (Roman mythology,religion,classical mythology) Roman goddess of night; daughter of Erebus; counterpart of Greek Nyx
Synonyms: Nox
Related terms: Roman_deity Greco-Roman_deity
Similar spelling:   nightie