1. following or conforming to the traditional or generally accepted rules or beliefs of a religion, philosophy, or practice
2. relating to or characteristic of Orthodox Judaism or Eastern Orthodox Christianity
Usage: religious

Examples

• The professor taught orthodox economic theory.
• She follows orthodox Jewish dietary laws.
• His orthodox approach to medicine emphasizes proven treatments.
• The Orthodox Church has different traditions from Roman Catholicism.
• Many students prefer orthodox study methods over experimental ones.
• Orthodox believers attend services regularly.
• The company’s orthodox business practices have served them well.