insoluble
That cannot be dissolved.
Other meanings
That cannot be solved.
That cannot be explained.
Related words
- insolubleness
- insolubility
- insolubly
- insolubilize
Word history
From Latin "insolūbilis".
Where this comes from
This definition is adapted from “insoluble” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.