night and day

adverb

: all the time : continually

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 The difference between seeing a total solar eclipse and a partial eclipse is, quite literally, like night and day. Jamie Carter, Forbes, 3 Oct. 2024 That's because there is nearly the same amount of night and day during an equinox. Olivia Munson, USA TODAY, 8 Sep. 2024 Moon missions always account for the cycles of the lunar night and day, each of which lasts two weeks, but there is currently no standard timescale on the moon similar to the Coordinated Universal Time system that keeps clocks ticking in tandem here on Earth. Becky Ferreira, WIRED, 4 Sep. 2024 Going on now for 52 years and lasting over nine days, just 20 minutes from downtown, the Albuquerque International Balloon Fiesta is full of light shows, fireworks, live music, cultural dances, and floating balloons that fill the sky night and day. Matt Ortile, Condé Nast Traveler, 4 Sep. 2024 See all Example Sentences for night and day 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'night and day.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

before the 12th century, in the meaning defined above

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

Dictionary Entries Near night and day

Cite this Entry

“Night and day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/night%20and%20day. Accessed 2 Nov. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!