Word Study
fatuousness
WORDNET DICTIONARY
Noun fatuousness has 1 sense
- fatuousness(n = noun.attribute) absurdity, fatuity, silliness - a ludicrous folly; "the crowd laughed at the absurdity of the clown's behavior" is a kind of folly, foolishness, unwiseness
Derived form adjective fatuous1
For further exploring for "fatuousness" in Webster Dictionary Online