\In*ex"pi*a*ble\, a. [L. inexpiabilis: cf. F.
inexpiable. See {In-} not, and {Expiable}.]
1. Admitting of no expiation, atonement, or satisfaction; as,
   an inexpiable crime or offense. --Pomfret.

2. Incapable of being mollified or appeased; relentless;
   implacable. [Archaic] ``Inexpiable hate.'' --Milton.

         They are at inexpiable war with all establishments.
                                               --Burke.