Noun | 1. | whimsicality - 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" irresponsibility, irresponsibleness - a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions |
2. | ![]() playfulness, fun - a disposition to find (or make) causes for amusement; "her playfulness surprised me"; "he was fun to be with" |