: 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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During one test, Claude encountered a page about an unsolved homicide that included a police department tip form. — Kurt Knutsson, FOXNews.com, 19 Oct. 2026 The remains of a man who was shot in the head and stuffed into a rusted barrel found on the shore of Lake Mead after the water level dropped were identified Thursday as an Arkansas man whose decades-old killing remains unsolved. — CBS News, 16 Oct. 2026 Investigators collected evidence and pursued numerous leads, but the case remained unsolved for more than a decade. — Esther Lian, PEOPLE, 16 Oct. 2026 The rise in such killings has sparked protests and calls for government action as many of the killings remain unsolved while others go unreported. — ABC News, 15 Oct. 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 27 Oct. 2026.

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