serious requiring effort or concentration; complex and not easy to answer or solve; "raised serious objections to the proposal"; "the plan has a serious flaw"
frivolous not serious in content or attitude or behavior; "a frivolous novel"; "a frivolous remark"; "a frivolous young woman"
trait a distinguishing feature of your personal nature
committedness,
commitment the trait of sincere and steadfast fixity of purpose; "a man of energy and commitment"
