fractious

Adjective

• 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
    

• easily irritated or annoyed
  • an incorrigibly fractious young man
    
  • not the least nettlesome of his countrymen
    

• stubbornly resistant to authority or control
  • a fractious animal that would not submit to the harness
    
  • a refractory child
    

Related words

• Synonyms: 
  refractory , recalcitrant