Word Study
frivolousness
WORDNET DICTIONARY
Noun frivolousness has 1 sense
- frivolousness(n = noun.attribute) frivolity - the trait of being frivolous; not serious or sensible; Array is a kind of trait
has particulars: giddiness, silliness, levity, fun, playfulness
Derived form adjective frivolous1
For further exploring for "frivolousness" in Webster Dictionary Online