13 letters · 14 points in Scrabble
adjective arousing no interest or attention or curiosity or excitement
adjective characteristic or suggestive of an institution especially in being uniform or dull or unimaginative
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 interesting English uninteresting From un- + interesting.
Etymology from Wiktionary, CC BY-SA 3.0