Synonyms for Recalcitrant (same or very similar meaning)
WordNet sense 1 (stubbornly resistant to authority or control):
fractious, refractoryWordNet sense 2 (not obeying or complying with commands of those in authority):
disobedientWordNet sense 3 (boldly resisting authority or an opposing force):
defiantFrom the ODE community, based on WordNetadd/edit