abusing vocally; expressing contempt or ridicule; "derisive laughter"; "a jeering crowd"; "her mocking smile"; "taunting shouts of `coward' and `sissy'"
unpredictably difficult in operation; likely to be troublesome; "rockets were much too fractious to be tested near thickly populated areas"; "fractious components of a communication system"
stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
evil or harmful in nature or influence; "prompted by malign motives"; "believed in witches and malign spirits"; "gave him a malign look"; "a malign lesion"