15 letters · 21 points in Scrabble
adjective lacking compassion or feeling for others; - Shakespeare
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 compassionate English uncompassionate From un- + compassionate.
Etymology from Wiktionary, CC BY-SA 3.0