অর্থ : The trait of acting unpredictably and more from whim or caprice than from reason or judgment.
উদাহরণ :
I despair at the flightiness and whimsicality of my memory.
সমার্থক : capriciousness, flightiness, whimsey, whimsicality, whimsy
Arbitrariness meaning in Bengali (Bangla).