irresolvable

/ˌɪrɪˈzɑlvəbəl/
adjective
  1. Impossible to solve, fix, or bring to a satisfactory end.
    • They faced an irresolvable disagreement about how to spend the money.
    • Some math problems are irresolvable with current methods.
    • The conflict between the two families seemed irresolvable after years of fighting.
Antonyms
What does "irresolvable" mean? | whatsthatwordmean | whatsthatwordmean