unsolved
un-solved
adjective
A problem, mystery, or crime that has not yet been explained or found an answer for.
"The detective worked tirelessly on the unsolved case."
Thesaurus
Synonyms: unresolved
un-solved
A problem, mystery, or crime that has not yet been explained or found an answer for.
"The detective worked tirelessly on the unsolved case."
Synonyms: unresolved