8 letters · 11 points in Scrabble
verb cause to lose one's nerve
adjective lacking a crew
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 manned English unmanned From un- + manned.
Etymology from Wiktionary, CC BY-SA 3.0