Having a solution, having been explained or answered.(adjective)
Simple past tense and past participle of solve.(verb)
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Use "solved" in a sentence
"For the Bolsheviki it was important that the problems of the Revolution should be solved in the quickest possible mannerbut the Bolsheviki were not interested in how these problems were to be solved ."
"I think calling the problem "solved" is a little premature, but hopefully the poisoning of the river at least keeps them from entering Lake Michigan."
"“But whether it will be solved is a different question.”"