11 letters · 13 points in Scrabble
adjective not penitent or remorseful
adjective stubbornly persistent in wrongdoing
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English repentant English unrepentant From un- + repentant.
Etymology from Wiktionary, CC BY-SA 3.0