foliosity
/ˌfɒlɪˈsɪtɪ/ or /ˌfɔlɪˈsɪsɪti/Definitions
1. noun
A quality or characteristic of something, especially one that is frivolous or lacking in seriousness.
“The artist’s reputation suffered due to the frivolity of her earlier works, which were seen as a manifestation of her foliosity.”