inexpiable |
inexpiably |
As an adjective inexpiable
is both unforgivable and inexplicable.
As an adverb inexpiably is
in an inexpiable manner or degree; permitting no atonement.
inexpiable |
unatonable |
As adjectives the difference between inexpiable and unatonable
is that
inexpiable is both unforgivable and inexplicable while
unatonable is incapable of being atoned for; inexpiable.