ETYM Greek; hetero other + doxa opinion; cf. French hétérodoxe.
1. 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.
2. Holding heterodox opinions, or doctrines not orthodox; heretical; -- said of persons.
3. Not orthodox.

Množina: heterodoxies

ETYM Greek: cf. French hétérodoxie.
An opinion or doctrine, or a system of doctrines, contrary to some established standard of faith, as a religion, the creed or standards of a church.