ETYM Old Fren. religius, religious, French religieux, from Latin religiosus. Related to Religion.
1. Concerned with sacred matters or religion or the church; SYN. spiritual.
2. Extremely scrupulous and conscientious.
3. Having or showing belief in and reverence for a deity.
4. Relating to or concerned with religion or spiritual things; especially dedicated to service in a religion; SYN. spiritual.