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.
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
She loved the Maine coast and planned to retire there with her husband someday.
From The Wall Street Journal ● Jul. 10, 2026
Wheelchair tennis is for real, and it's here to stay, and it's going to be something someday.'
From BBC ● Jul. 7, 2026
Not just yet, but someday, how about the Shohei Ohtani Most Valuable Player Award?
From Los Angeles Times ● Jun. 14, 2026
It is a good thought because it means someday I will be whole again.
From "A Rover's Story" by Jasmine Warga
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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.