13 letters · 15 points in Scrabble
noun the trait of acting unpredictably and more from whim or caprice than from reason or judgment
originEtymology tree Latin arbiter Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -ārius Latin arbitrāriusder. Middle English arbitrarie English arbitrary Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé-…
Etymology from Wiktionary, CC BY-SA 3.0