12 letters · 25 points in Scrabble
adjective not endowed with authority
adjective without official authorization
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 authorized English unauthorized From un- + authorized.
Etymology from Wiktionary, CC BY-SA 3.0