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
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 case remains unsolved as of 2025. Kc Baker, PEOPLE, 25 Dec. 2025 Perhaps the biggest difficulty is the unsolved question of who will govern Gaza in the long term. Daniel Byman, Foreign Affairs, 23 Dec. 2025 However, the celebration quickly turned tragic when Bradley vanished from her stateroom as the ship was preparing to dock in Curaçao, sparking a massive search for the aspiring sports psychology student in a case that remains unsolved. Julia Bonavita, FOXNews.com, 20 Dec. 2025 Proteomic genotyping can also help tackle cold cases that have remained unsolved for years. Abhimanyu Ghoshal, New Atlas, 20 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Unsolved.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsolved. Accessed 1 Jan. 2026.

More from Merriam-Webster on unsolved

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!