1 8/13 Yanks Go Yard: It's a Strange Time to Be a Yankees Fan: As the Yankees transition from a perennial favorite, with a roster...  8/13 Tip of the Tower: Toronto Blue Jays Notes: Encarnacion Joins 300 HR Club, Skipping Sanchez: Edwin Encarnacion became the second Toronto Blue Jays player to...
Full Definition of HERESY. 1. a: adherence to a religious opinion contrary to church dogma b: denial of a revealed truth by a baptized member of the Roman Catholic Church c: an opinion or doctrine contrary to church dogma.
The Catholic Church distinguishes between formal heresy and material heresy. The former involves willful and persistent adherence to an error in matters of faith and is a grave sin and produces excommunication. Material heresy is the holding of erroneous opinions through no fault of one's own and is not sinful.