adjective

not conforming with accepted or orthodox standards or beliefs.

heterodox views

unorthodox,heretical,dissenting,dissident,blasphemous,nonconformist,apostate,freethinking,iconoclastic,schismatic,rebellious,renegade,separatist,sectarian,revisionist,sceptical,agnostic,atheistical,non-theistic,non-believing,unbelieving,idolatrous,pagan,heathen,impious,paynim,recreant,recusant,nullifidian