any opinions or doctrines at variance with the official or orthodox position
"The priest frowned when a young convert whispered that salvation could be achieved without attending Sunday mass, calling it heresy before the congregation."
a belief that rejects the orthodox tenets of a religion
"The priest declared the congregation's new interpretation of scripture to be heresy because it directly contradicted centuries of church doctrine."
A doctrine held by a member of a religion at variance with established religious beliefs, especially dissension from Roman Catholic dogma.
"The inquisitor marked heresy on the manuscript after reading that salvation could be achieved without papal approval."