noun an opinion opposed to some accepted standard.
2. heterodox ·adj holding heterodox opinions, or doctrines not orthodox; heretical;
said of persons.
3. heterodox ·adj contrary to, or differing from, some acknowledged standard, as the bible, the creed of a church, the decree of a council, and the like; not orthodox; heretical;
said of opinions, doctrines, books, ·etc., ·esp. upon theological subjects.