n. Any doctrine, opinion, or set of opinions at variance with the established standards of any system, school of thought, or party; an opinion or a doctrine tending to create schism or division; an untenable or a disturbing doctrine of any kind, as in philosophy, science, politics, morality, etc.n. Specifically, in theology, an opinion or a doctrine rejected by the authorities of a church as contrary to the established creed of that church; an interpretation or a theological view of a sacred writing or other standard of religion, or of any distinctive part of it, opposed to that authoritatively established or generally accepted: as, the antinomian heresy.