irremeable
/ˌɪrɪˌmɛdɪˈæbəl, -ˌrɛ-/Definitions
1. adjective
cannot be corrected or remedied; incurable or irreparable.
“The damage to the environment is irremediable due to decades of pollution.”
2. noun
a thing that is irremediable.
“The irremediable harm caused by the company’s actions led to their financial downfall.”