adjective / noun
orthodox
OR-thuh-dahks/ˈɔːrθədɑːks/
Conforming to established or traditional religious beliefs and practices.
The congregation follows orthodox teachings about prayer and religious duty.

Etymology
The roots express “right opinion”: originally, beliefs regarded as correct in matters of faith. The meaning broadened to conformity with established beliefs and practices outside religion as well.
In context
heterodoxy means that what you believe deviates from accepted or Orthodox standards or beliefs
More examples
- The orthodox in the community resist changes to traditional worship.
- She attends an Eastern Orthodox church.
- His Orthodox Jewish family observes the Sabbath.
Forms
orthodox · more orthodox · most orthodox
orthodoxy noun — Adherence to established religious beliefs and practices.
unorthodox adjective — Departing from established religious beliefs or practices.
Similar words
- traditional
- Emphasizes inherited customs rather than conformity to accepted religious doctrine.
- observant
- Emphasizes following religious practices rather than holding accepted beliefs.
- conservative
- Emphasizes resisting religious change rather than agreement with established doctrine.