one day

idiom

1
: at some time in the future
One day, it'll happen. You'll see.
People may one day be able to take vacations to the moon.
2
: on a day in the past
I went to her house one day and had lunch with her.
One day, we had a terrible argument.

Examples of one day in a Sentence

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.
Back when the mysterious scandal surrounding Natalia Grace Barnett made headlines, Imogen Faith-Reid — the actor who would one day play her — wasn’t aware of it. Proma Khosla, IndieWire, 10 Apr. 2025 Most small business owners expect to sell a business one day, cash out, and move on to their next chapter, whether that’s retirement, a new venture, or financial freedom. Lien De Pau, Forbes.com, 9 Apr. 2025 Shipping containers on the MSC Livorno await unloading at the Port of Long Beach, California on March 5, 2025, one day after US President Donald Trump. Lori Ann Larocco, CNBC, 9 Apr. 2025 An immigration judge has given the Trump administration one day to provide its evidence for why detained former Columbia University student activist Mahmoud Khalil should be deported. Jonathan Easley, The Hill, 9 Apr. 2025 See All Example Sentences for one day

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Cite this Entry

“One day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20day. Accessed 14 Apr. 2025.

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