General Opposites:
* Heterodoxy: This is the most common and direct opposite. It refers to beliefs or practices that deviate from the accepted norms or established doctrines.
* Unorthodox: This simply means "not orthodox," indicating a lack of conformity to established standards or practices.
* Heretical: This term implies a belief system that is considered seriously wrong or dangerous by the dominant religious or philosophical group.
* Deviant: This is a more general term for anything that departs from the norm or standard.
Contextual Opposites:
* Innovation: If orthodoxy refers to a rigid adherence to tradition, innovation might be its opposite, emphasizing new ideas and practices.
* Revolution: This term suggests a radical change or overthrow of existing orthodoxies.
* Individuality: If orthodoxy promotes conformity, individuality emphasizes personal autonomy and independent thought.
The most appropriate opposite of "orthodoxy" will depend on the specific situation and the intended meaning.