With the other women of the Group Leora was never so intimate as with Clara Tredgold, but they liked her, the more because she was a heretic whose vices, her smoking, her indolence, her relish of competent profanity, disturbed Mrs. Pickerbaugh and Mrs. Irving Watters.
There are no more uses of "heresy" in the book.
Show samples from other sources
It is a hardline form of Sunni Islam that condemns all other strains as heresy.
Before the separation of Church and State, an accusation of heresy could be treated as treason.