ˈȯ(r)thəˌdäksē, -si noun
( -es )
Etymology: Late Latin orthodoxia, from Greek, right opinion, from orthodoxein to have the right opinion + -ia -y
1. : the quality or state of being orthodox : conformity to an official formulation of truth especially in religious belief or practice
make it my object to teach thinking, not orthodoxy — Bertrand Russell
— contrasted with heresy and heterodoxy
2. : an orthodox belief or practice
the new astronomy … one factor in shaking traditional orthodoxies — Douglas Bush
3. usually capitalized
[Middle Greek orthodoxia, from Greek]
: the system of faith, practice, and discipline of the Eastern Orthodox Church