heterodox
Concise Oxford English Dictionary © 2008 Oxford University Press:
heterodox /ˈhɛt(ə)rə(ʊ)dɒks/
▶adjective not conforming with orthodox standards or beliefs.
– derivatives
heterodoxy noun.
heterodoxy noun.
– origin C17: via late L. from Gk heterodoxos, from heteros ‘other’ + doxa ‘opinion’.
'heterodox' also found in these Oxford entries:

