Insoluble
Origin
From Old French, from Latin insolubilis (in- + solubilis).
Full definition of insoluble
Adjective
insoluble
- That cannot be dissolved.
- That cannot be solved; insolvable.
- That cannot be explained; mysterious or inexplicable.
Antonyms
- (not soluble) soluble
- (not solvable) solvable
- (not explainable) explicable