whimsey
(noun)
noun
1. an odd or fanciful or capricious idea
- he had a whimsy about flying to the moon
- whimsy can be humorous to someone with time to enjoy it
Similar word(s): notion, whim, whimsy
Definition categories: thought, idea
2. 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, whimsicality, whimsy
Definition categories: attribute, irresponsibility, irresponsibleness