whimsicality Meaning, Definition & Usage

  1. noun the trait of acting unpredictably and more from whim or caprice than from reason or judgment
    arbitrariness; whimsy; capriciousness; whimsey; flightiness.
    • I despair at the flightiness and whimsicality of my memory
  2. noun the trait of behaving like an imp
    mischievousness; puckishness; impishness.

WordNet

Whim`si*cal"i*ty noun
Definitions
  1. The quality or state of being whimsical; whimsicalness.

Webster 1913