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

But a handful of House Republicans aren’t sold on the idea, just one day before the chamber is set to vote on a budget framework that left out a slew of priorities and did not include spending offsets. — Lauren Green, The Washington Examiner, 21 July 2026

That’s because these individuals are believed not to have met the list’s eligibility threshold, which generally is having worked one day on a union project in a three-year period, in this case between April 1, 2023, and March 31, 2026. — Katie Kilkenny, HollywoodReporter, 21 July 2026

Visiting a library may not sound like a priority during one day in a European capital, but Oodi is not simply a place to borrow books. — David Nikel, Forbes.com, 21 July 2026

The results could one day improve cancer therapies for humans, Ito says. — Jackie Flynn Mogensen, Scientific American, 21 July 2026

Rhymes for one day

• aaa
• alleyway
• alumnae
• anime
• anyway
• arete
• attache
• axillae
• baa
• beaujolais
• bouvier
• breakaway