adj. 1 a holding correct or currently accepted opinions, esp. on religious doctrine, morals, etc. b not independent-minded; unoriginal; unheretical. 2 (of religious doctrine, standards of morality, etc.) generally accepted as right or true; authoritatively established; conventional. 3 (also Orthodox) (of Judaism) strictly keeping to traditional doctrine and ritual. Orthodox Church the Eastern Church, separated from the Western Church in the 11th c., having the Patriarch of Constantinople as its head, and including the national Churches of Russia, Romania, Greece, etc. orthodoxly adv.
[ eccl. L orthodoxus f. Gk orthodoxos f. doxa opinion ]