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Someday vs. Some Day—Don’t Confuse Them!

  • Someday means “at an indefinite time in the future.”
  • Some day refers to one day that is perhaps unknown or unspecified.

Someday and some day are easy expressions to confuse because they differ by just one space. Learn how to keep them straight in this article.

Someday vs. Some Day—Don't Confuse Them! image

What Does Someday Mean?

Someday is an adverb. It refers to future events that will occur at an indefinite time. Here are two examples of someday in a sentence:

Someday I will invest in a new laptop, but until then I will make do with the old one.

She told me that I would be an adult someday .

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What Does Some Day Mean?

Now, let’s look at some day with a space between the two words. We have an adjective (some) and a noun (day). Some means “unspecified” in this context. When it describes day, it means a single day that is unknown or unspecified. Let’s clarify with two examples of “some day” in a sentence.

I have a doctor’s appointment some day next month.

She scheduled the meeting for some day in August but she doesn’t remember when it is.

Examples

You’ll learn from them—if you want to. Just as someday , if you have something to offer, someone will learn something from you.

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