# one day

> English word · Adverb

## Definitions
1. At some unspecified time in the future.
2. At some unspecified time in the past.
3. Used other than figuratively or idiomatically: see one, day.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/one-day