13 letters · 18 points in Scrabble
noun characterized by a lack of openness (especially about one's actions or purposes)
noun the trait of keeping things secret
originEtymology tree English secretive Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English secretiveness From secretive + -ness.
Etymology from Wiktionary, CC BY-SA 3.0