noun, often attributive
night·​time | \ ˈnīt-ˌtīm How to pronounce nighttime (audio) \

Definition of nighttime

: the time from dusk to dawn

Synonyms & Antonyms for nighttime



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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 Choose from four bright hues and incorporate a pop of color to your warm-weather nighttime 'fit. Lindsey Greenfeld,, 10 May 2022 The clinic has posted five new positions, and it’s considering operating seven days a week, up from six, with 12-hour day and nighttime shifts. Safia Samee Ali, NBC News, 5 May 2022 These spiders build their webs during the nighttime. Joshua Hawkins, BGR, 9 Apr. 2022 Heads up for rolling nighttime slowdowns on Interstates 205 and 84 near Gateway beginning at 1 a.m. Tuesday. oregonlive, 25 Apr. 2022 In a fun transition, with one hop Williams and Olympia's matching outfits change from nighttime to bedtime, and the pair spend the rest of the video in matching white pajama sets complete with fuzzy slippers. Hattie Lindert,, 25 Apr. 2022 The wildfires, which combined to form the Eastland Complex blaze, had charred at least 14,800 acres by nighttime, said Kari Hines, a spokesperson with the Texas A&M Forest Service. Christina Maxouris, CNN, 18 Mar. 2022 Major nighttime traffic disruptions are coming to Ga. 400 this week as construction continues on the new interchange at I-285. David Wickert, ajc, 19 Apr. 2022 Suitable for both day and nighttime use, this nourishing and comforting blend is free of harsh irritants and synthetic fillers. Grooming Playbook, The Salt Lake Tribune, 7 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nighttime.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nighttime

14th century, in the meaning defined above

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Time Traveler for nighttime

Time Traveler

The first known use of nighttime was in the 14th century

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Dictionary Entries Near nighttime



night vision

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Statistics for nighttime

Last Updated

15 May 2022

Cite this Entry

“Nighttime.” Dictionary, Merriam-Webster, Accessed 17 May. 2022.

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More Definitions for nighttime


night·​time | \ ˈnīt-ˌtīm How to pronounce nighttime (audio) \

Kids Definition of nighttime



Legal Definition of nighttime

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

Nglish: Translation of nighttime for Spanish Speakers

Britannica English: Translation of nighttime for Arabic Speakers


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