All 10 Uses of

orthodox
in
The Brothers Karamazov

Authorities on the subject assert that the institution of "elders" is of recent date, not more than a hundred years old in our monasteries, though in the orthodox East, especially in Sinai and Athos, it has existed over a thousand years.†
Chpt 1

orthodox = normal (describing thinking or behavior as commonly or traditionally accepted)

On the contrary, the State is transformed into the Church, will ascend and become a Church over the whole world—which is the complete opposite of Ultramontanism and Rome, and your interpretation, and is only the glorious destiny ordained for the Orthodox Church.†
Chpt 2

That's not the idea of it in the Orthodox Church....That's Rome, and not even the whole of Rome, it's false—those are the worst of the Catholics, the Inquisitors, the Jesuits!†
Chpt 5

Don't be anxious, they will understand everything, the orthodox heart will understand all!†
Chpt 6

The people will meet the atheist and overcome him, and Russia will be one and orthodox.†
Chpt 6

Gentle Father Iosif, the librarian, a great favorite of the dead man's, tried to reply to some of the evil speakers that "this is not held everywhere alike," and that the incorruptibility of the bodies of the just was not a dogma of the Orthodox Church, but only an opinion, and that even in the most Orthodox regions, at Athos for instance, they were not greatly confounded by the smell of corruption, and there the chief sign of the glorification of the saved was not bodily incorruptibility, but the color of the bones when the bodies have lain many years in the earth and have decayed in it.†
Chpt 7

Gentle Father Iosif, the librarian, a great favorite of the dead man's, tried to reply to some of the evil speakers that "this is not held everywhere alike," and that the incorruptibility of the bodies of the just was not a dogma of the Orthodox Church, but only an opinion, and that even in the most Orthodox regions, at Athos for instance, they were not greatly confounded by the smell of corruption, and there the chief sign of the glorification of the saved was not bodily incorruptibility, but the color of the bones when the bodies have lain many years in the earth and have decayed in it.†
Chpt 7

"And if the bones are yellow as wax, that is the great sign that the Lord has glorified the dead saint, if they are not yellow but black, it shows that God has not deemed him worthy of such glory—that is the belief in Athos, a great place, where the Orthodox doctrine has been preserved from of old, unbroken and in its greatest purity," said Father Iosif in conclusion.†
Chpt 7

And we will not from the tribune of truth and good sense correct the Gospel of our Lord, Whom the counsel for the defense deigns to call only 'the crucified lover of humanity,' in opposition to all orthodox Russia, which calls to Him, 'For Thou art our God!'†
Chpt 12

Definitions:

(1) (orthodox)
normal (describing thinking or behavior as commonly or traditionally accepted)
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

"Orthodox" (especially when capitalized) can also reference churches or religious orders that are more conservative than those that are non-orthodox.