Found 2 items, similar to frivolousness.
English → English (WordNet) Definition: frivolousness frivolousness n : the trait of being frivolous; not serious or sensible [syn: frivolity] [ant: seriousness]
English → English (gcide) Definition: Frivolousness Frivolous \Friv"o*lous\, a. [L. frivolus; prob. akin to friare to rub, crumble, E. friable: cf. F. frivole.] [1913 Webster] 1. Of little weight or importance; not worth notice; slight; as, a frivolous argument. --Swift. [1913 Webster] 2. Given to trifling; marked with unbecoming levity; silly; interested especially in trifling matters. [1913 Webster] His personal tastes were low and frivolous. --Macaulay. Syn: Trifling; trivial; slight; petty; worthless. -- Friv"o*lous*ly, adv. -- Friv"o*lous*ness, n. [1913 Webster]