day in and day out
phrase
variants
or day in, day out
: for an indefinite number of successive days
does the same thing at work day in and day out
Examples of day in and day out in a Sentence
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The future of physical security technology isn’t about software alone, but instead by the hardware and systems that support it day in and day out.
—
Freddy Kuo,
Forbes.com,
23 Feb. 2026
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Freddy Kuo,
Forbes.com,
23 Feb. 2026
See All Example Sentences for day in and day out
Cite this Entry
“Day in and day out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/day%20in%20and%20day%20out. Accessed 5 Jul. 2026.
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