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

Definition of nighttime

: the time from dusk to dawn

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Synonyms & Antonyms for nighttime


dark, darkness, night


day, daytime

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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

Vancouver is planning some day and nighttime paving work for this week (weather dependent)., "Portland metro Wednesday traffic: Paving work closes streets in Vancouver," 21 Aug. 2019 The general sentiment among residents who were gifted with the old box sets seems to be that the nighttime deliveries were part of a prank. Megan Mccluskey, Time, "'TV Santa Claus' Wearing TV on Head Inexplicably Leaves Old TVs on 50 Doorsteps," 14 Aug. 2019 Either way, neither of these cameras are great for nighttime captures. Brent Rose, The Verge, "DJI Osmo Action review: giving GoPro real competition," 5 Aug. 2019 The next night, Rosemary and Leno LaBianca were stabbed to death in their Los Feliz home.(Associated Press) After midnight Aug. 9, 1969, the nighttime quiet of Benedict Canyon was broken by screams and gunshots. Times Staff Reports, Los Angeles Times, "Remembering the victims of the Manson murders," 28 July 2019 After sunset, grab a flashlight for nighttime snorkel excursions, in search of nocturnal marine species and glowing bioluminescence. National Geographic, "Baja and the Sea of Cortez High School Expedition," 17 June 2019 If the fair isn’t your jam (get it?), here are 7 more options: Cleveland Flea Night Market Shop many of your favorite Cleveland Flea makers, artisans and vendors but at nighttime and on the east-side., "Cuyahoga County Fair and 8 more things to do in Cleveland, Friday, Aug. 9," 9 Aug. 2019 And Pepco asked customers to refrain from running the clothes dryer, the oven or other power-hungry appliances until nighttime, and to keep the thermostat at 78 degrees, so demand doesn’t overwhelm the electrical grid. Patricia Sullivan, Washington Post, "Electricity use spikes as temperatures climb through the 90s," 19 July 2019 The National Weather Service said ‘‘a dangerous heat wave’’ was expected to break record highs in some places, particularly for nighttime. Jennifer Peltz,, "Temperatures soar as heat wave stretches from Texas to Maine," 20 July 2019

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.

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First Known Use of nighttime

14th century, in the meaning defined above

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Statistics for nighttime

Last Updated

27 Aug 2019

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Time Traveler for nighttime

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

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More Definitions for nighttime



English Language Learners Definition of nighttime

: the time of darkness between one day and the next : the time of day when no light from the sun can be seen


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

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Comments on nighttime

What made you want to look up nighttime? Please tell us where you read or heard it (including the quote, if possible).


concealment of treason or felony

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