nighttime

noun

night·​time ˈnīt-ˌtīm How to pronounce nighttime (audio)
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.
All caregivers should follow these rules for all naps and at nighttime. Melissa Willets, Parents, 4 Nov. 2025 From the earliest pioneering expeditions and nighttime escapes from bondage to the modern-day road trip, Americans are a people on the move – restless, ambitious and innovative. Usa Today, USA Today, 3 Nov. 2025 By nighttime, the metabolic system is ready for rest, too. Allison Aubrey, NPR, 3 Nov. 2025 Other images and videos were of the beautiful nature around them, including a video from a sunset boat ride, a shot of towering palm trees at nighttime, and a close-up of the vibrant yellow fruit of the Clusia rosea tree, also known as the pitch apple. Ashlyn Robinette, PEOPLE, 28 Oct. 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 8 Nov. 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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