untreatable

Example:The disease was incurable at the time, so researchers were forced to find ways to manage its symptoms.

Definition:Beyond the possibility of being cured; terminal, especially with reference to a physical or mental disorder.

Example:The condition was irremediable, and he had to learn to live with the consequences.

Definition:Unable to be remedied or made better.

Example:Without immediate and effective treatment, the damage was irreversible and untreatable.

Definition:Unable to be changed to a contrary state or condition, especially in reference to an either permanent change or permanent destruction of the somatic or cellular structure.