FRIVOLOUSLY
frivolously
(adverb) in a frivolous manner; “she spends her time frivolously enjoying the easy life of a rich and spoiled girl”
Source: WordNet® 3.1
Etymology
Adverb
frivolously (comparative more frivolously, superlative most frivolously)
In a frivolous manner
Source: Wiktionary
FRIVOLOUS
Friv"o*lous, a. Etym: [L. frivolus; prob. akin to friare to rub,
crumble, E. friable: cf. F. frivole.]
1. Of little weight or importance; not worth notice; slight; as, a
frivolous argument. Swift.
2. Given to trifling; marked with unbecoming levity; silly;
interested especially in trifling matters.
His personal tastes were low and frivolous. Macaulay.
Syn.
– Trifling; trivial; slight; petty; worthless.
– Friv"o*lous*ly, adv.
– Friv"o*lous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition