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
Big Diomede is almost one day ahead of Little Diomede.
—
Jamie Carter, Forbes.com, 30 Mar. 2025
Those new tariffs kick in on Thursday, just one day after Trump is set to announce sweeping retaliatory tariffs on imports from many countries around the world.
—ABC News, 30 Mar. 2025
Just one day after Paul Weiss’ deal, Columbia University disclosed policy changes under the threat of losing billions of dollars in federal money.
—Calvin Woodward, Chicago Tribune, 30 Mar. 2025
Saldívar is serving her sentence at the Patrick O'Daniel Unit (formerly known as the Mountain View Unit) in Gatesville, Texas, and became eligible for parole on March 30, 2025 — just one day before the 30th anniversary of Selena's murder.
—Jacqueline Weiss, People.com, 28 Mar. 2025
See All Example Sentences for one day
Examples are automatically compiled from online sources to
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Jamie Carter, Forbes.com, 30 Mar. 2025
Those new tariffs kick in on Thursday, just one day after Trump is set to announce sweeping retaliatory tariffs on imports from many countries around the world.
—ABC News, 30 Mar. 2025
Just one day after Paul Weiss’ deal, Columbia University disclosed policy changes under the threat of losing billions of dollars in federal money.
—Calvin Woodward, Chicago Tribune, 30 Mar. 2025
Saldívar is serving her sentence at the Patrick O'Daniel Unit (formerly known as the Mountain View Unit) in Gatesville, Texas, and became eligible for parole on March 30, 2025 — just one day before the 30th anniversary of Selena's murder.
—Jacqueline Weiss, People.com, 28 Mar. 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 4 Apr. 2025.
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