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
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The case remained unsolved until investigators revived it around 2017. Greg Wehner, FOXNews.com, 24 June 2026 After extensive investigative efforts, the case remained unsolved and was deemed cold, police said. Sofia Saric june 23, Miami Herald, 24 June 2026 The case remained unsolved and was later designated as a cold case, but that all changed earlier this month. Steven Yablonski, CBS News, 24 June 2026 Autonomous vehicles pose challenging—and still unsolved—problems unrelated to spectrum allocation. Shivendra Panwar, IEEE Spectrum, 24 June 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

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Cite this Entry

“Unsolved.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsolved. Accessed 3 Jul. 2026.

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