someday
Americanadverb
adverb
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; see some, day
Explanation
The adverb someday means eventually or at some point in the future. So if you plan to visit Sri Lanka someday, you'd like to do it but you don't know exactly when it will happen. Use the word someday when you can't be specific about when something will occur. If you're not sure when you'll next see your friend who's moving to Alaska, you can say, "I'll visit you someday soon!" And if you keep planning to make homemade bread but never get around to it, you might promise yourself you'll do it someday.
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.
That raises a fundamental question: what actually happens to the body as it ages, and could those biological changes someday be treated in much the same way as disease?
From Science Daily ● Sep. 11, 2026
"And I had this secret ambition that someday there would be a way to work together."
From BBC ● Sep. 4, 2026
Though she and her husband may buy someday, Slagle doesn’t lean into a common refrain of previous generations that “you can’t rent forever.”
From MarketWatch ● Sep. 2, 2026
She said that festivalgoers may be surprised to find that they will someday need help from the same nonprofits they donated to.
From Los Angeles Times ● Sep. 1, 2026
And someday I think I’ll be ready to have Ray adopt me.
From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
