in
sol
ub
le
1
unable to be dissolved, especially in a liquid
- The sugar remained insoluble in the cold water.
- Despite stirring, the powder remained insoluble.
- The insoluble residue settled at the bottom of the container.
- Over time, the mineral became more insoluble in water.
- Insoluble particles floated in the undissolved solution.
Synonyms:
Antonyms:
2
admitting of no solution or explanation
Antonyms:
3
without hope of solution