14 letters · 20 points in Scrabble
noun the quality of being guided by sudden unpredictable impulses
noun the trait of acting unpredictably and more from whim or caprice than from reason or judgment
originEtymology tree English capricious 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 capriciousness From capricious + -ness.
Etymology from Wiktionary, CC BY-SA 3.0