heretical
adj.adj. describing a belief or idea that goes against the official teachings of a religion. It can also describe someone who holds these beliefs.
adj. contrary to or in opposition to established religious doctrine or belief. Often used to describe ideas or individuals that challenge the authority of a specific faith.
The priest called the new ideas heretical.
The reformer's views were considered heretical by the church because they challenged the traditional hierarchy.
While some scholars argue that the text contains heretical elements, others maintain that it was a legitimate attempt to reconcile ancient traditions with modern scientific discoveries.
From Middle English, borrowed from Middle French eretical and from Medieval Latin haereticālis, from haereticus, equivalent to heretic + -al. See heretic.