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.
Despite the alleged spooky activity, she doesn’t plan to let go of the home, hoping to “hang onto” it “well into retirement,” and someday pass it onto her children.
From MarketWatch ● Nov. 2, 2026
Science Center President and Chief Executive Jeffrey N. Rudolph says there is hope to someday bring the building back into service, but that its small spaces, awkward circulation and constant leaking have made that difficult.
From Los Angeles Times ● Oct. 27, 2026
But it was conceivable, the Mirror cautioned, that someday “the machine is likely to come up with fresh, flexible ideas”—that is, to think on its own.
From The Wall Street Journal ● Oct. 26, 2026
Dad told me more than once that the house would be mine someday.
From MarketWatch ● Oct. 23, 2026
So I will right rite write in this diary every day until someday I will be able to write and spell the write rite right way.
From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman
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Get a wordDefinitions 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.
