Nightfall
Nightfall noun - The time from when the sun begins to set to the onset of total darkness.
Usage example: since you aren't taking a flashlight, make sure you're back at camp by nightfall
Nighttime and nightfall are semantically related In some cases you can use "Nighttime" instead a noun "Nightfall".
Nighttime
Nighttime noun - The time from sunset to sunrise when there is no visible sunlight.
Usage example: before electricity, gas lamps were used for illumination during the nighttime
Mutual synonyms
Related pairs
Cite this Source
Nighttime and Nightfall. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/nightfall/nighttime
Nightfall & Nighttime. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/nightfall/nighttime>.
Nighttime or Nightfall. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/nightfall/nighttime.
Google Ngram Viewer shows how "nightfall" and "nighttime" have occurred on timeline