Definition of "orthodox" in English

adjective

1. Conforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology.

2. Adhering to whatever is customary, traditional, or generally accepted.

3. Of the eastern churches, Eastern Orthodox.

4. Of a branch of Judaism.

5. (botany) Of pollen, seed, or spores: viable for a long time; viable when dried to low moisture content.