unsolved
adjective/ˌʌnˈsɒlvd/
/ˌʌnˈsɑːlvd/
- not having been solved
- an unsolved murder/mystery/problem
Oxford Collocations DictionaryUnsolved is used with these nouns:- crime
- murder
- mystery
- …
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unsolved
Definition of unsolved adjective from the Oxford Advanced Learner's Dictionary