- absurdity, fatuity, fatuousness, silliness - a ludicrous folly; "the crowd laughed at the absurdity of the clown's behavior"
--1 is a kind of folly, foolishness, unwiseness
- giddiness, silliness - an impulsive scatterbrained manner
--2 is a kind of frivolity, frivolousness
--2 has particulars: lightsomeness