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

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of day in and day out was in 1824

Browse Nearby Words

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 9 Mar. 2026.

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