| Main Entry: | insoluble |
| Part of Speech: | adjective |
| Definition: | mysterious, unable to be solved or answered |
Synonyms: |
baffling, difficult, impenetrable, indecipherable, inexplicable, inextricable, irresolvable, mystifying, obscure, unaccountable, unconcluded, unfathomable, unresolved, unsolvable, unsolved |
Antonyms: |
explainable, explicable, obvious, open, solvable |