unsolved

adjective

un·​solved ˌən-ˈsälvd How to pronounce unsolved (audio)
-ˈsȯlvd
: not explained, corrected, or dealt with : not solved
an unsolved problem
unsolved math equations

Examples of unsolved in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Baptie did, however, refer the matter back to NSW Police’s unsolved homicide unit for further investigation, the Sydney Morning Herald noted. — Gina Kalsi, PEOPLE, 31 July 2026 Miranda said the effects of unsolved homicides extend beyond victims' families and into entire communities. — Aaron Parseghian, CBS News, 30 July 2026 The shooting deaths of Redd, Godfrey, and Miller appear to remain unsolved; police never announced any arrests in any of them. — Nate Gartrell, Mercury News, 28 July 2026 The fix gets dismissed as a database bolted onto a chatbot, when continual learning is a fundamentally unsolved machine learning problem. — Alexander Kardos-Nyheim, Fortune, 25 July 2026 See All Example Sentences for unsolved

Word History

First Known Use

1665, in the meaning defined above

Time Traveler
The first known use of unsolved was in 1665

Rhymes for unsolved

See All Rhymes for unsolved

Browse Nearby Words

unsolvable
unsolved
unson
See all Nearby Words

Cite this Entry

“Unsolved.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsolved. Accessed 5 Aug. 2026.

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More from Merriam-Webster on unsolved

Nglish: Translation of unsolved for Spanish Speakers

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