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.
Amid AI’s superfast evolution, will Reid AI replace the real Reid someday?
From The Wall Street Journal • May 21, 2026
On Thursday, his administration unveiled plans to transform one of the capital’s unassuming municipal golf courses into a luxe, 18-hole expanse that could someday host major tournaments.
From Slate • May 18, 2026
The findings have fueled interest in whether fasting could someday help researchers develop therapies for conditions involving metabolism, aging, inflammation, or neurological health.
From Science Daily • May 17, 2026
My thought is to invest it on her behalf so that someday, when she gets her life together, she will have some money.
From MarketWatch • May 12, 2026
Maybe someday I will see him and give him this picture to honor him.
From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman
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.
