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.
Polymarket is worth far more as the platform where companies like Meta hedge their future AI compute-pricing risk than as an OTB window for US black-op nighttime raids. Liz Hoffman, semafor.com, 19 May 2026 Come nighttime, the pop-up outdoor cinema and s’mores around a beachfront bonfire pit will allow plenty of parent private time. Condé Nast, Condé Nast Traveler, 18 May 2026 The team conducted the trial at nighttime at the Dübendorf Air Base in early April, 2026. Georgina Jedikovska, Interesting Engineering, 18 May 2026 In Moscow, at least 12 people were wounded in the nighttime strike, mostly near the entrance to the city’s oil refinery, Mayor Sergei Sobyanin said. Samya Kullab, Los Angeles Times, 17 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 22 May. 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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