: 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.
The cold case remained unsolved for decades until investigators re-examined Lopez's clothing and about 1,600 samples, the prosecutor's office said. CBS News, 28 Aug. 2026 Most of the cases are less than 10 years old, though a dozen have been unsolved for more than two decades, an AP analysis found. ABC News, 25 Aug. 2026 Shakur’s killing on the Las Vegas Strip in 1996 blew these tensions wide open, though the case remained unsolved for decades. Richard Winton, Los Angeles Times, 24 Aug. 2026 The approach has been used by law enforcement to resolve cold cases that remained unsolved for decades. Sujita Sinha, Interesting Engineering, 24 Aug. 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 1 Sep. 2026.

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