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 ]