Adjective
1. stubbornly resistant to authority or control;
"a fractious animal that would not submit to the harness""a refractory child"2. easily irritated or annoyed;
"an incorrigibly fractious young man""not the least nettlesome of his countrymen"3. unpredictably difficult in operation; likely to be troublesome;
"rockets were much too fractious to be tested near thigkly populated areas""fractious components of a communication system"