Heresy is ony provocative belief or theory that is strangly at variance wi established beliefs or customs. A heretic is a proponent o such claims or beliefs. Heresy is distinct frae baith apostasy, which is the explicit renunciation o ane's releegion, principles or cause, and blasphemy, which is irreverence toward releegion.
- "Heresy | Define Heresy at Dictionary.com". Dictionary.reference.com. Retrieved 2013-04-15.
- "Apostasy | Learn everything there is to know about Apostasy at". Reference.com. Retrieved 2013-04-15.
- "Definitions of "blasphemy" at Dictionary.com". Dictionary.reference.com. Retrieved 2013-04-15.