1 night and day | Definition of night and day

night and day

adverb

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

Temperature aside, the difference in the cooling between the 2060 Super and the 5700 XT is night and day. Tom Warren, The Verge, "AMD vs. Nvidia: the midrange graphics card battle is heating up," 1 Aug. 2019 All of this is night and day compared to constables in some counties. Karen Zurawski, Houston Chronicle, "SUNDAY CONVERSATION: Constable Heap receives state award for achievements," 14 July 2019 The agents remained in the obstetrics ward night and day as physicians worked to halt her labor. Sheri Fink, New York Times, "Migrants in Custody at Hospitals Are Treated Like Felons, Doctors Say," 10 June 2019 Raibert says the difference between Spot and earlier legged robots is night and day. James Vincent, The Verge, "Boston Dynamics robots are preparing to leave the lab — is the world ready?," 17 July 2019 Daniela, who hails from Brooklyn, said that a domestic worker friend of hers told her that the difference in working conditions before the New York state law was passed and after is night and day. Katelyn Burns, Teen Vogue, "The National Domestic Workers Alliance Is Seeking a Federal Bill of Rights From Congress," 17 July 2019 Animals have evolved their internal clocks—when to feed and have babies, or when to sleep—based off night and day timing. Jenny Howard, National Geographic, "These fish eggs aren't hatching. The culprit? Light pollution.," 9 July 2019 Take charge of your glow night and day by adding a lamp in a timeless shape, like this trophy silhouette. Lauren Hubbard, ELLE Decor, "Classic Pieces Every Room in Your Home Needs," 3 July 2019 These protein clocks keep physiologies aligned with night and day, so that organisms eat at the right time, tell their cells to divide at the right time and, of course, sleep at the right time. Quanta Magazine, "The Overlooked Link Between Two of This Year’s Nobel Prizes," 27 Nov. 2017

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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More from Merriam-Webster on night and day

Rhyming Dictionary: Words that rhyme with night and day

Thesaurus: All synonyms and antonyms for night and day