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
Tall ship tour ticket information Tickets are sold as morning or evening tickets for one day.
—
Emma George-Griffin, Freep.com, 7 Aug. 2025
And then one day, in 2008, a documentary film crew from Los Angeles called.
—Jesse Hyde, Rolling Stone, 7 Aug. 2025
The news comes days after the FCC finally approved the Paramount-Skydance merger and one day ahead of David Ellison’s first public address as the company’s new chief executive.
—Ethan Millman, HollywoodReporter, 6 Aug. 2025
But as for one day dipping her toes into the wide world of broadcast, the answer is easy: no.
—Maria Pasquini, People.com, 6 Aug. 2025
See All Example Sentences for one day
Examples are automatically compiled from online sources to
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Emma George-Griffin, Freep.com, 7 Aug. 2025
And then one day, in 2008, a documentary film crew from Los Angeles called.
—Jesse Hyde, Rolling Stone, 7 Aug. 2025
The news comes days after the FCC finally approved the Paramount-Skydance merger and one day ahead of David Ellison’s first public address as the company’s new chief executive.
—Ethan Millman, HollywoodReporter, 6 Aug. 2025
But as for one day dipping her toes into the wide world of broadcast, the answer is easy: no.
—Maria Pasquini, People.com, 6 Aug. 2025
See All Example Sentences for one day
Cite this Entry
“One day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20day. Accessed 20 Aug. 2025.
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