Use 'unsolved' when something still raises questions or causes wonder because no answer has been found. The legend of Atlantis is an unsolved puzzle, sparking curiosity worldwide.
Pro Tip 2/3
Emotional Weight
'Unsolved' often carries a sense of frustration or concern, especially in matters needing closure. The victims' families were distraught over the unsolved nature of the case.
Pro Tip 3/3
Not Just Crimes
Although common in legal contexts, 'unsolved' applies to any unresolved issue or question. Scientists are facing unsolved questions about the universe.