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.
And no creature has ever done it with more flair than an octopus named Inky, who vanished from the National Aquarium of New Zealand in 2016 in a breakout worthy of a storybook — complete with a daring nighttime crawl, a mysterious drainpipe and an ending nobody saw coming. Samantha Agate, Miami Herald, 20 Apr. 2026 While temperatures are mild throughout the year, there’s still some variation between nighttime and daytime conditions, and the shady forest groves can be much cooler than in the sun. Cu Fleshman, Travel + Leisure, 19 Apr. 2026 Close out the trip with a memorable dinner in the Pearl District or along Division Street, then end with a low-key bar or a scenic nighttime walk along the river. Lauren Schuster, Kansas City Star, 16 Apr. 2026 Emajae Brown, 25, was charged with home invasion, kidnapping, assault and battery with a dangerous weapon, witness intimidation, armed assault in a dwelling, larceny over $1,200, breaking into a building at nighttime with the intent to commit a felony, larceny of a motor vehicle and armed burglary. Landon Mion, FOXNews.com, 15 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 26 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

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