Word family noun solution solvent solubility insolvency adjective soluble ≠ insoluble unsolved solvent ≠ insolvent solvable ≠ insolvable verb solve adverb insolvably
From Longman Dictionary of Contemporary Englishinsolvablein‧sol‧va‧ble /ɪnˈsɒlvəbəl $ ɪnˈsɑːl-/ adjective especially American English SOLVE/DEAL WITH A PROBLEMan insolvable problem is or seems impossible to solve SYN insoluble —insolvably adverb 