Synonyms of noncompliant

2 Syllables
lawless
3 Syllables
recusant, declining, truculent, refusing, divergent, objecting, impatient, restive, rebellious
4 Syllables
piratical, negative, belligerent, unpeaceful, irregular, refractory, anarchistic, disobedient, contumacious, nonconforming, recalcitrant
5 Syllables
declinatory, undisciplined