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
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.
Just one day before Saturday's hostage release, Israeli media reported that there were explosions on three empty buses in parking lots near Tel Aviv and that bombs had been discovered and disabled on two other buses, Reuters reported. Rebecca Morin, USA TODAY, 23 Feb. 2025 Both Monarch Money and Rocket Money have e-mail tech support and both responded to my questions within one day. Larry Magid, The Mercury News, 22 Feb. 2025 Kent, who is now in his early seventies, seems to harbor a dream that the family will one day be able to gather around the table together. Rachel Monroe, The New Yorker, 22 Feb. 2025 In a separate case last week, the Trump administration deported three men to Venezuela just one day after a court order blocked their transfer to Guantanamo Bay. Peter Charalambous, ABC News, 21 Feb. 2025 See All Example Sentences for one day

Browse Nearby Words

Cite this Entry

“One day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20day. Accessed 5 Mar. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!