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

Maybe someday the owners of the Palisades Bowl will let him rebuild, but Kaslow is too much of a pragmatist to get his hopes up.

From Los Angeles Times

Oracle is a major customer of Nvidia, which someday might be investing in OpenAI, which recently signed a big contract with Oracle.

From The Wall Street Journal

Tomita’s brigade was playing the adversary in an exercise scenario that could someday become reality: A U.S. ally’s island territory is under attack, enemy forces have landed, and America joins the fight several weeks in.

From The Wall Street Journal

With the jury out of the room, Cogan quipped “it’s like the line from ‘The Godfather,’ ‘someday I will ask of you a favor.’

From The Wall Street Journal

I have bags of gifts for people, and I don’t know who these people are, but someday they’re going to be getting a bag of buttons.

From Los Angeles Times

Related Words

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