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.
He does want some kind of family someday, if on his terms.
From Los Angeles Times ● Jul. 22, 2026
While I claim no clairvoyant skills, given the ever-diminishing quality of the air we breathe, purified air could definitely become a commodity someday.
From Salon ● Jul. 19, 2026
Who could have predicted, 20 years ago, that someday fans would watch entire baseball games on a mobile phone?
From The Wall Street Journal ● Jul. 12, 2026
“My mother said, ‘Well that’s just how they’ve adapted it,’ and I said, ‘I’m going make a version of these books someday.’
From Los Angeles Times ● Jul. 9, 2026
The workers’ paradise—that would come someday, he convinced himself.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
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.
