fractious

Adjective (3)

1. stubbornly resistant to authority or control“a fractious animal that would not submit to the harness”“a refractory child”Synonyms: refractoryrecalcitrant
2. easily irritated or annoyed“an incorrigibly fractious young man”“not the least nettlesome of his countrymen”Synonyms: crankyirritablenettlesomepeevishpeckishpettishpetulantscratchytestytetchytechy
3. 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”