10 letters · 21 points in Scrabble
adjective incapable of being atoned for
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English expiable English inexpiable From in- + expiable.
Etymology from Wiktionary, CC BY-SA 3.0