one day

ADVERB

eventually

Synonyms

STRONGEST

finally in the course of time someday sooner or later ultimately

WEAK

after all at last at the end of the day hereafter in future in the end in the long run sometime when all is said and done

Antonyms

STRONGEST

never

ADVERB

someday

Synonyms

STRONGEST

finally sometime sooner or later subsequently ultimately

WEAK

after a while anytime at a future time in a time to come on a day one fine day one of these days one time or another

Antonyms

STRONGEST

never

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shot in only one day and clocking in around eight minutes, the final scene feels as much like a seance or invocation as a piece of drama.

From Los Angeles Times • Jun. 18, 2026

Superconductors could one day help power a new generation of ultra-efficient electronics, but major technical hurdles have kept the technology largely confined to research labs.

From Science Daily • Jun. 17, 2026

Clark said SpaceX may one day justify such a valuation but "momentum, euphoria, and hype is a fickle beast, and this market is out of line across many stocks for now."

From Barron's • Jun. 16, 2026

And helium-3 could also be used in some nuclear fusion reactors to one day create vast amounts of clean energy.

From BBC • Jun. 16, 2026

That cancer was like bugs in a tree: one day you don’t see them at all and the next it seems like they’re everywhere, eating the leaves and the fruit.

From "Ida B" by Katherine Hannigan

one day

Example Sentences

Related Words