insolvablein‧sol‧va‧ble /ɪnˈsɒlvəbəl $ ɪnˈsɑːl-/ adjective especially American English 
an insolvable problem is or seems impossible to solve SYN insoluble—insolvably adverb
an insolvable problem is or seems impossible to solve SYN insoluble—insolvably adverb- stock certificate
- stock company
- stock cube
- stock exchange
- Stockhausen, Karlheinz
- stockholder
- Stockholm
- stockily
- stock index
- stockiness
- stockinette
- stocking
- stocking filler
- stocking mask
- stock-in-trade
- stockist
- stockman
- stock market
- stock option
- stockpile
- stockpot
- stockroom
- stock-still
- stocktaking
- Stockton-on-Tees