het·er·o·dox 
(hĕtər-ə-dŏks′)
(hĕtər-ə-dŏks′)adj.
1. Not in agreement with accepted beliefs, especially in church doctrine or dogma.
2. Holding unorthodox opinions.
[Greek heterodoxos : hetero-, hetero- + doxa, opinion (from dokein, to think; see dek- in the Appendix of Indo-European roots).]