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.
Mollie Merkel said that one day last summer, 8-year-old Fletcher caught a bullhead catfish. Conor Wight, CBS News, 19 Aug. 2026 Syrian sources cited by Israel Hayom said the Tuesday strike came just one day after a Turkish delegation visited the base, looking to turn it into a joint base for Syrian and Turkish forces. Brady Knox, The Washington Examiner, 18 Aug. 2026 And company executives noted that these creators one day could become the next Disney stars. Samantha Masunaga, Los Angeles Times, 18 Aug. 2026 All the elements and molecules that make up you and everything around you will be given back to the Milky Way, and one day it will be reborn again and begin the story of a new star system. Keith Cooper, Space.com, 17 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 20 Aug. 2026.

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