13 letters · 25 points in Scrabble
adjective lacking practical experience or training
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English experience English -ed English experienced English inexperienced From in- + experienced.
Etymology from Wiktionary, CC BY-SA 3.0