The trait of acting unpredictably and more from whim or caprice than from reason or judgment
English: flightiness, arbitrariness, whimsicality, whimsy, whimsey, capriciousness
capriciousnessEnglish
capriciousness, arbitrariness, flightiness, unpredictability, whimsey
Noun
The quality of being guided by sudden unpredictable impulses
English: capriciousness, unpredictability