one day

phrase

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.
Indeed, Haymitch’s Games mark a key moment for the bubbling rebellion that Katniss Everdeen will one day lead. Shania Russell, Entertainment Weekly, 25 Aug. 2026 Not necessarily as little leaguers, but as bright-eyed youths fantasizing about one day wearing a big-league uniform, competing in major league stadiums and making their living by playing this children’s game as adults. Gabriel Burns, AJC.com, 25 Aug. 2026 The strike took place just one day after another Russian drone hit a minibus in Kherson, and killed four people. News Desk, Artforum, 25 Aug. 2026 Heyward, moving on from a 16-year major-league playing career, would love to be a general manager one day. Maddie Lee, Los Angeles Times, 25 Aug. 2026 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 28 Aug. 2026.

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