nighttime

• night-time

From Middle English nyght tyme, nyȝttyme, equivalent to night +‎ time. Compare Dutch nachttijd, German Nachtzeit, Danish nattetid, Swedish nattetid. Compare also Middle English nyȝter tyme (“nighttime”), from Old Norse náttartími, nætrtími (“nighttime”).

• IPA^(key): /ˈnaɪtˌtaɪm/, [ˈnaɪʔtaɪm]

nighttime (countable and uncountable, plural nighttimes)

1. The hours of darkness between sunset and sunrise; the night.
   • 1996, Kiplinger's Personal Finance, volume 50, number 7, page 52:

     Smith Barney, for example, goes so far as to shift the hours during which taxi rides home are expensable as nighttime lengthens and shortens, says Moszkowski.

• nightertale, nighttide; see also Thesaurus:nighttime

• day, daytime; see also Thesaurus:daytime

• night-times

nighttime (not comparable)

1. Pertaining to nighttime; appropriate to the night.
2. Happening during the night.

• (pertaining to nighttime): night
• (happening during the night): night, nocturnal

• (pertaining to nighttime): day, daytime
• (happening during the night): daytime, diurnal