unsolved

adjective

un·​solved ˌən-ˈsälvd 

-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

An Arizona man who was detained and released without charges in connection with the unsolved abduction of Nancy Guthrie has been arrested again, according to local authorities — on unrelated charges. — Michael Ruiz, FOXNews.com, 6 Oct. 2026

Outrage was sparked again this year after reports that someone (or possibly multiple people) had shot at least half a dozen donkeys with arrows in a series of unsolved attacks. — Clara Harter, Los Angeles Times, 6 Oct. 2026

The official list still remains peppered with unsolved problems, although OpenAI recently announced that its unreleased internal AI model has solved more than 100 open questions. — Lyndie Chiou, Scientific American, 2 Oct. 2026

In the Mexican drama series Inside the Circle, four lifelong friends accidentally uncover a video that links a powerful government official to the unsolved death of an actress. — K. Thor Jensen, PC Magazine, 2 Oct. 2026

Word History

First Known Use

1665, in the meaning defined above

Rhymes for unsolved

• redissolved
• undissolved
• uninvolved
• unresolved
• absolved
• devolved
• dissolved
• evolved
• involved
• resolved
• revolved
• solved