Heterodox vs. Unorthodox — What's the Difference?

Not in agreement with accepted beliefs, especially in church doctrine or dogma.

Breaking with convention or tradition; not orthodox.

Holding unorthodox opinions.

Unusual, unconventional, or idiosyncratic.

Of or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from what a religion (or sect) believes to be orthodox, but adhering to that religion's established beliefs, and therefore not heretical.

Independent in behavior or thought;

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.

Breaking with convention or tradition;

Holding heterodox opinions, or doctrines not orthodox; heretical; - said of persons.

An opinion opposed to some accepted standard.

Characterized by departure from accepted beliefs or standards