whimsicality
n. 异想天开,随心所欲,反复无常
1. the trait of acting unpredictably and more from whim or caprice than from reason or judgment;
2. the trait of behaving like an imp
I despair at the flightiness and whimsicality of my memory.
我对我的记忆的飘忽不定和稀奇古怪感到绝望.
eccentricity