nighttime

noun

night·​time ˈnīt-ˌtīm How to pronounce nighttime (audio)
Synonyms of nighttimenext
often attributive
: the time from dusk to dawn

Synonyms of nighttime

Examples of nighttime in a Sentence

The animal hunts in the nighttime. before electricity, gas lamps were used for illumination during the nighttime
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The following Ramadan, Kazi found himself without someone reliable to check his recitation during taraweeh—the special voluntary nighttime prayers performed during that month—for mistakes. Andrew R. Chow, Time, 26 May 2026 Protecting The Night Sky From Light Pollution The RAS argues nighttime should be treated as a protected part of the natural environment, requiring safeguards similar to those applied to daytime environmental conservation. Jamie Carter, Forbes.com, 23 May 2026 While stunning, goddess braids require consistent upkeep, including daily care for loose curls, nighttime wrapping, and regular moisturizing to keep the style neat and long-lasting. Kara Jillian Brown, InStyle, 22 May 2026 Using observations collected between 2014 and 2022 by the Visible Infrared Imaging Radiometer Suite (VIIRS) instruments aboard the Suomi-NPP, NOAA-20 and NOAA-21 satellites, researchers found that global nighttime radiance increased by 34% even as many populated areas grew dimmer. Samantha Mathewson, Space.com, 20 May 2026 See All Example Sentences for nighttime

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of nighttime was in the 14th century

Browse Nearby Words

Cite this Entry

“Nighttime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nighttime. Accessed 1 Jun. 2026.

Kids Definition

nighttime

noun
night·​time ˈnīt-ˌtīm How to pronounce nighttime (audio)
: the time from dusk to dawn
nighttime adjective

Legal Definition

nighttime

noun
night·​time
1
: the time from dusk to dawn
2
: a statutorily set period usually beginning shortly after dusk and ending shortly after dawn

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