12 letters · 24 points in Scrabble
adjective not knowledgeable about something specified
adjective having little or no knowledge of
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 acquainted English unacquainted From un- + acquainted.
Etymology from Wiktionary, CC BY-SA 3.0