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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
The nighttime polysomnogram did not indicate untreated sleep disorders.
—
Anna Giorgi, Verywell Health, 12 Feb. 2025
Raised in South Carolina, Davis studied acting at Rutgers University and after graduation — and getting sober — quickly nabbed small parts on ER and daytime soaps before her big break on the nighttime one, Melrose Place.
—
Jason Sheeler, People.com, 5 Feb. 2025
The animal was found injured in the road in the nighttime hours by motorists who spotted the owl, according to the Woodbridge Police Department.
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Justin Muszynski, Hartford Courant, 5 Feb. 2025
As part of their annual qualifications, all Army aviators are tested on their skills during daylight and nighttime, as well as instrument flying.
—
Luis Martinez, ABC News, 30 Jan. 2025
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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
Articles Related to nighttime
Dictionary Entries Near nighttime
Cite this Entry
“Nighttime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nighttime. Accessed 22 Feb. 2025.
Kids Definition
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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