: 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 unsolved 1898 murder of a 52-year-old woman, Sarah Ware, in Bucksport, Maine, illustrates how ghost stories can have historical significance and flood the present with the past. — Marcus Librizzi, The Conversation, 26 Oct. 2026 The decades-long search for answers in Amy’s case inspired the couple to help establish the nonprofit, which helps to fund unsolved homicide investigations, train investigators and support victims’ families. — Leigh Egan, FOXNews.com, 24 Oct. 2026 During the time Betkowski lived in New Mexico, police in Las Cruces reported an unsolved cyanide poisoning, in which the victim had capsulized medication, Cooper said. — Lauren Mascarenhas, CNN Money, 24 Oct. 2026 Newsom announced a total of $300,000 in rewards for information leading to arrests and convictions in six unsolved murder cases across California. — Darrell Smith, Sacbee.com, 23 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

Browse Nearby Words

Cite this Entry

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

Love words? Need even more definitions?

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

More from Merriam-Webster