day one

noun

often capitalized D&O

: the first day or very beginning of something

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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Getting used to the bare-bones shoot took time, but the nerve-racking encounters started on day one. —

Alamin Yohannes, EW.com, 15 Jan. 2025 Focus on profitability from day one, conduct rigorous user discovery and build a team and network with strong connections into your target industry. —

Jamil Wyne, Forbes, 14 Jan. 2025 In December, President-elect Donald Trump promised to take executive action on the issue on day one in office. —

Kayla Gaskins, Baltimore Sun, 10 Jan. 2025 But Republicans can’t start moving their spending priorities through Congress on day one. —

Cami Mondeaux, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 5 Jan. 2025 See all Example Sentences for day one