9 letters · 11 points in Scrabble
adjective not by design or artifice; unforced and impromptu
adjective lacking knowledge gained by study often in a particular field
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 studied English unstudied From un- + studied.
Etymology from Wiktionary, CC BY-SA 3.0