someday

American  

[suhm-dey] / ˈsʌmˌdeɪ /

adverb

1. at an indefinite future time.

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someday British  

/ ˈsʌmˌdeɪ /

adverb

1. at some unspecified time in the (distant) future

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Spelling

The adverb someday is written solid: Perhaps someday we will know the truth. The two-word form some day means “a specific but unnamed day”: We will reschedule the meeting for some day when everyone can attend.

Etymology

Origin of someday

before 900; Middle English sum day, Old English sum dæg; some, day

Example Sentences

As more data are collected, it might someday be able to forecast a week or two out.

From Los Angeles Times

It is another challenge for Western automakers competing with Chinese rivals there and at home—and potentially in the U.S. someday.

From The Wall Street Journal

Have you taken any steps to trademark it or even license it for AI replication someday?

From The Wall Street Journal

Shareholders who stay with the fund bear the risk that someday it may have to sell assets at unfavorable prices to fund redemptions.

From The Wall Street Journal

It could also depend on what kind of treatment you may someday require.

From MarketWatch

Related Words

• finally
• one day
• sometime
• sooner or later
• subsequently
• ultimately