fractious in WordNet English dictionary

1. easily irritated or annoyed
   "an incorrigibly fractious young man"; "not the least nettlesome of his countrymen"
   cranky  fractious  irritable  nettlesome  peevish  peckish  pettish  petulant  scratchy  testy  tetchy  techy 
   
2. 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"
   fractious 
   
3. stubbornly resistant to authority or control
   "a fractious animal that would not submit to the harness"; "a refractory child"
   fractious  refractory  recalcitrant