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

Because JonBenét had won several child beauty pageants, images of her in makeup and garish costumes created a spectacle around the case (which is still unsolved), and around the Ramseys. — Kate Aurthur, Variety, 21 Sep. 2026

The case in the tiny town of Delphi went unsolved for more than five years before Allen was arrested, becoming a magnet for true-crime enthusiasts. — ABC News, 21 Sep. 2026

All this time later, the horse was never found, no one's been arrested, and one of sport's great unsolved mysteries has never moved beyond cold case status. — Jon Wertheim, CBS News, 20 Sep. 2026

Investigators ultimately matched semen recovered at the scene to DNA recovered from an unsolved rape in Manhattan from 2000. — Rebecca White, New York Daily News, 18 Sep. 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