Unsolved and Unresolved

Unsolved

Unsolved adjective - Not solved.
Usage example: many crimes remain unsolved

Unresolved is a synonym for unsolved in mysterious topic. In some cases you can use "Unresolved" instead an adjective "Unsolved". popular alternative

Unresolved

Unresolved adjective - Not solved.
Usage example: many problems remain unresolved

Unsolved is a synonym for unresolved in undecided topic. You can use "Unsolved" instead an adjective "Unresolved", if it concerns topics such as uncertain. popular alternative
Cite this Source
Unresolved and Unsolved. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/unsolved/unresolved
Unsolved & Unresolved. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/unsolved/unresolved>.
Unresolved or Unsolved. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/unsolved/unresolved.
Google Ngram Viewer shows how "unsolved" and "unresolved" have occurred on timeline