nighttime

noun

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

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.
While temperatures on the surface rise and fall throughout the day, peaking in the heat of the afternoon and then cooling down in the nighttime, the temperature inside a burrow remains relatively constant. John Leos, AZCentral.com, 3 Sep. 2025 The bloom appears as a bright pinkish-orange cloud during the day, but nighttime brings a spectacular transformation. Daniel Wine, CNN Money, 3 Sep. 2025 During the nighttime searches, researchers found several vaguely familiar-looking lizards on branches and shrubs, the study said. Aspen Pflughoeft, Miami Herald, 29 Aug. 2025 Scanlan herself has fielded the nighttime calls. Madeline Heim, jsonline.com, 29 Aug. 2025 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 11 Sep. 2025.

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

More from Merriam-Webster on nighttime

Last Updated: - Updated example sentences
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