a. [ L. inexpiabilis: cf. F. inexpiable. See In- not, and Expiable. ] [ 1913 Webster ]
They are at inexpiable war with all establishments. Burke. [ 1913 Webster ]
n. Quality of being inexpiable. [ 1913 Webster ]
adv. In an inexpiable manner of degree; to a degree that admits of no atonement. [ 1913 Webster ]