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Synonyms
Examples of day one in a Sentence
We've known this about the project since Day One.
since day one of this project, we've always insisted that we would create the best product possible without any consideration of cost
Recent Examples on the Web
The Spaniard’s commitment to speaking English from day one was initially applauded, but that narrative changed when results deteriorated.
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Stuart James, The Athletic, 5 Feb. 2025
The block schedule would include an anchor day one day a week in which the students would attend all of their classes for a shorter length of time.
—
Michelle Mullins, Chicago Tribune, 4 Feb. 2025
But compared to earlier games, there’s more here on day one than usual.
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Ars Technica, 3 Feb. 2025
And despite Trump's vow to issue an executive order on day one to delay the enforcement of a bipartisan law, TikTok still might be racing against the clock to strike a deal.
—
Avery Lotz, Axios, 26 Jan. 2025
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Word History
First Known Use
1971, in the meaning defined above
Dictionary Entries Near day one
Cite this Entry
“Day one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/day%20one. Accessed 16 Feb. 2025.
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