12 letters · 19 points in Scrabble
adjective lacking principles or moral scruples; - A.E.Stevenson
adjective having little or no integrity
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 principled English unprincipled From un- + principled.
Etymology from Wiktionary, CC BY-SA 3.0