Insoluble
Pronunciation: /ˌɪnˈsɑːljəbəl/
Insoluble (adjective)
- not able to be dissolved in a liquid, like water.
- impossible to solve or fix, like a very hard problem.
Examples
- Salt is not insoluble in water.
- The powder remained insoluble in the liquid.
Common collocations: insoluble substance, remain insoluble, insoluble problem, seem insoluble, insoluble dilemma