say it: uhn-SAHL-vuh-buhl
unsolvable is an adjective meaning "not easily solved". It carries one recorded sense.
not easily solved
“an apparantly insolvable problem”
“public finance...had long presented problems unsolvable or at least unsolved”
Definitions, synonyms and semantic relations for unsolvable come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.