whimsicality
(noun)
noun
1. the trait of acting unpredictably and more from whim or caprice than from reason or judgment
- I despair at the flightiness and whimsicality of my memory
Similar word(s): arbitrariness, capriciousness, flightiness, whimsey, whimsy
Definition categories: attribute, irresponsibility, irresponsibleness
2. the trait of behaving like an imp
Similar word(s): impishness, mischievousness, puckishness
Definition categories: attribute, fun, playfulness