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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And for 35 years, the tragedy has gone unsolved. Sarah Dahlberg, NBC news, 8 Feb. 2026 The case was unsolved until 2024 when Tanzer's DNA matched DNA found at the woman's Columbia Tusculum home in 1989. Kevin Grasha, Cincinnati Enquirer, 2 Feb. 2026 And the biggest mysteries about the investigation — including the evidence used to justify the seizure — remained unsolved. David Wickert, AJC.com, 31 Jan. 2026 Their murders, which coincided with Zajko’s 30th birthday, remain unsolved. Mia Cathell, The Washington Examiner, 29 Jan. 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 16 Feb. 2026.

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