Synonyms of insoluble


1. insoluble (vs. soluble), indissoluble, water-insoluble, non-water-soluble

usage: (of a substance) incapable of being dissolved

2. insoluble (vs. soluble), insolvable, unsoluble, unsolvable, unresolvable, inexplicable#1, incomprehensible

usage: admitting of no solution or explanation; "an insoluble doubt"

3. insoluble, hopeless (vs. hopeful)

usage: without hope of solution; "an insoluble problem"

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Definition and meaning of insoluble (Dictionary)