Inexpiable(a.) Admitting of no expiation, atonement, or satisfaction; as, an inexpiable crime or offense.
Inexpiable(a.) Incapable of being mollified or appeased; relentless; implacable.
Inexpiableness(n.) Quality of being inexpiable.
Inexpiably(adv.) In an inexpiable manner of degree; to a degree that admits of no atonement.
Inexpiate(a.) Not appeased or placated.
Words within inexpiably