Main Entry: het·ero·dox

Pronunciation: \ˈhe-tə-rə-ˌdäks, ˈhe-trə-\

Function: adjective

Etymology: Late Latin heterodoxus, from Greek heterodoxos, from heter- + doxa opinion — more at doxology

Date: circa 1650

1 : contrary to or different from an acknowledged standard, a traditional form, or an established religion : unorthodox, unconventional <heterodox ideas>
2 : holding unorthodox opinions or doctrines