Inexpiable

Definition:

• (a.) Admitting of no expiation, atonement, or satisfaction; as, an inexpiable crime or offense.
• (a.) Incapable of being mollified or appeased; relentless; implacable.

Compare inexpiable with other words:

inexpiable vs. inexpiably

inexpiable vs. unatonable

inexpiable vs. inexplicable

inexpiable vs. unforgivable