— frivolously , adv. — frivolousness , n.
/friv"euh leuhs/ , adj.
1. characterized by lack of seriousness or sense: frivolous conduct.
2. self-indulgently carefree; unconcerned about or lacking any serious purpose.
3. (of a person) given to trifling or undue levity: a frivolous, empty-headed person.
4. of little or no weight, worth, or importance; not worthy of serious notice: a frivolous suggestion.
[ 1425-75; late ME frivolus worthless, trifling; see -OUS ]
Syn. 3. idle, silly, foolish, childish, puerile. 4. light, trifling, petty, paltry, trivial, flimsy.
Ant. 3. serious. 4. weighty.