fractious

Meanings

• stubbornly resistant to authority or control
  • "a fractious animal that would not submit to the harness"
• easily irritated or annoyed
  • "an incorrigibly fractious young man"
• 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"

Synonyms

cranky, irritable, nettlesome, peckish, peevish, pettish, petulant, recalcitrant, refractory, scratchy, techy, testy, tetchy