heterodox UK /ˈhɛt.(ə.)ɹəˌdɒks/US /ˈhɛt.ɚ.əˌdɑks/ adjective2 •Of or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from what a religion (or sect) believes to be orthodox, but (usually) not conflicting with that religion's established beliefs and therefore not heretical.Most Christian denominations consider each other heterodox. •Beliefs contrary to the general consensus.