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

Over 30 years after their unexplained disappearance from a home in Springfield, Missouri, the unsolved case of three missing women continues to confound both authorities and online detectives alike. —Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025

Police in Fort Worth are investigating the unsolved killing of a 43-year-old man who was shot in March 2024. —Shambhavi Rimal, Fort Worth Star-Telegram, 8 Apr. 2025

On April 7, 2022, after reviewing unsolved homicides in the region, the Bureau of Indian Affairs Missing and Murdered Unit opened a full interagency investigation into the case, Ferguson’s office said. —Joe Marusak, Charlotte Observer, 5 Apr. 2025

For now, at least, their deaths remain an unsolved mystery. —Sarah Kuta, Smithsonian Magazine, 3 Apr. 2025

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