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
The future of California’s decades-long dream to one day connect Los Angeles and San Francisco via high-speed rail is again under threat as a Trump administration redux looms.
—
Colleen Shalby, Los Angeles Times, 18 Dec. 2024
Inspired by her late husband's passion for travel, Marcia from Gainesville, Georgia, had been studying French, hoping to see Paris in person one day.
—Kendall Malinchock, USA TODAY, 18 Dec. 2024
The unveiling of nominees for the SCL’s film scoring and song categories comes one day after the Academy released a shortlist winnowing down the contenders in similar categories.
—Chris Willman, Variety, 18 Dec. 2024
Reichart likely does not believe this iteration of his project will one day play out on the pitches of Europe.
—Rory Smith, The Athletic, 18 Dec. 2024
See all Example Sentences for one day 
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Colleen Shalby, Los Angeles Times, 18 Dec. 2024
Inspired by her late husband's passion for travel, Marcia from Gainesville, Georgia, had been studying French, hoping to see Paris in person one day.
—Kendall Malinchock, USA TODAY, 18 Dec. 2024
The unveiling of nominees for the SCL’s film scoring and song categories comes one day after the Academy released a shortlist winnowing down the contenders in similar categories.
—Chris Willman, Variety, 18 Dec. 2024
Reichart likely does not believe this iteration of his project will one day play out on the pitches of Europe.
—Rory Smith, The Athletic, 18 Dec. 2024
See all Example Sentences for one day
Dictionary Entries Near one day
Cite this Entry
“One day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20day. Accessed 21 Dec. 2024.
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