night and day


Definition of night and day 

: all the time : continually

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Examples of night and day in a Sentence

night and day she reminded him that if it weren't for her, he'd be a nobody

Recent Examples on the Web

Vo’s gorgeous black-and white drawings repeat and invert, revealing a stark world of night and day and night. Marisha Pessl, New York Times, "Screams. Tears. Meltdowns. New Picture Books Let Bad Behavior Fly, With Just a Bit of Advice," 6 June 2018 The first day of spring is determined by the vernal equinox, which is when the sun crosses over plane of the earth’s equator, making night and day approximately equal lengths all over the world. Alix Langone, Time, "When Is the First Day of Spring 2018? 4 Things to Know About the Equinox," 18 Mar. 2018 Every night and day is opened with a reading from the Bible and a silent prayer. Kim Woodard Osterholzer, WSJ, "Faith and Family Among the Amish," 14 June 2018 That dream came true recently when Dream Tacos TX opened at 3773 Richmond – a bright, festive look at the food that keeps Houston fueled night and day. Greg Morago, Houston Chronicle, "First look: Dream Tacos TX," 7 June 2018 They’ll be subjected to the exact same environmental surroundings as well—gas composition, temperature, lighting to simulate night and day—though on a three-day delay. Megan Molteni, WIRED, "NASA's Astro-Mice Will Test What Space Does to Your Gut," 28 June 2018 The set design, by Ms. Lang and Nicole Pearce, indicates night and day, dawn and dusk. New York Times, "Review: Alvin Ailey Returns to Lincoln Center With a Tribute to Women," 14 June 2018 Airmen expressed astonishment over the fact that Lindbergh, facing 17 hours of continuous night and day flying, spent 30 minutes engaged in mimic air battle with naval aviators., "May 11, 1927: Lindbergh winging his way from San Diego to Paris," 11 May 2018 Be cautious night and day when sharing the road with vehicles. Alexis Stevens, ajc, "Fatal wrecks involving pedestrians up 16% in Georgia this year," 6 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'night and day.' 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 night and day

before the 12th century, in the meaning defined above

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Last Updated

22 Sep 2018

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Time Traveler for night and day

The first known use of night and day was before the 12th century

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Comments on night and day

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


playful or foolish behavior

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