Synonyms of the word

unsolvable

• adj. Not solvable.
• adj. Provably not solvable.

insoluble

• adj. That cannot be dissolved.
• adj. That cannot be solved; unsolvable; insolvable.
• adj. That cannot be explained; mysterious or inexplicable.
• adj. That cannot be broken down; dispersed.
• n. Any substance that cannot be dissolved.

insolvable

• adj. Impossible to solve; insoluble.
• adj. Incapable of being paid or discharged.
• adj. Not capable of being loosed or disentangled; inextricable.

unresolvable

• adj. not able to be resolved.