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

And one day in June, groups from around the world gathered to do just that. — Lyndie Chiou, Scientific American, 2 Oct. 2026

The probe, which comes one day after top tech leaders signed a self-regulatory AI accord at the White House, could compel tech CEOs to testify before Congress. — Nicholas Wu, semafor.com, 2 Oct. 2026

And then also to be able to support charities and things like that and have an animal sanctuary one day. — Maria Bamford, Vulture, 30 Sep. 2026

Ivanna Ortiz appeared in court and pleaded not guilty to all 14 counts in the new indictment, which was made public one day after she was found competent to stand trial. — Nancy Dillon, Rolling Stone, 30 Sep. 2026

Rhymes for one day

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