day and night
IdiomsExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
We are working day and night for you.’”
From The Wall Street Journal • Mar. 30, 2026
Because mice sleep in short bursts throughout the day and night, they provided a detailed view of how growth hormone changes across sleep stages.
From Science Daily • Mar. 30, 2026
It may also help scientists better predict how plants respond to environmental changes such as day and night cycles or flooding.
From Science Daily • Mar. 9, 2026
It added that it would "continue to operate relentlessly, day and night, out of a deep commitment to bringing all of Israel's sons, the fallen and the missing, back home".
From BBC • Mar. 7, 2026
The lights in their cells were always on, day and night.
From Nazi Saboteurs by Samantha Seiple
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.