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.
Shoot, Epcot threw the turn of the century a parade and a nighttime spectacular. Dewayne Bevil, The Orlando Sentinel, 8 Apr. 2026 Josh Espinoza said Horner helped in the search for Athena and gave an address near BoBo's Crossing, but nighttime conditions made the area unsafe to handle a K9 search. Matthew Ablon, CBS News, 8 Apr. 2026 This combination of passive low-light imaging and active IR makes the ScoPix well-suited to nighttime and remote environments. New Atlas, 8 Apr. 2026 Felony breaking and entering at nighttime. Colleen Cronin, Boston Herald, 8 Apr. 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 16 Apr. 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

More from Merriam-Webster on nighttime

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster