10 letters · 12 points in Scrabble
adjective not meant or adapted for a particular purpose
adjective not capable of being applied
adjective not conducive to good moral development
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 suitable English unsuitable From un- + suitable.
Etymology from Wiktionary, CC BY-SA 3.0