Pronunciation: ( —n.her'i-tik; —adj.her'i-tik, hu-ret'ik),[key] —n. 1. a professed believer who maintains religious opinions contrary to those accepted by his or her church or rejects doctrines prescribed by that church.
2. Rom. Cath. Ch.a baptized Roman Catholic who willfully and persistently rejects any article of faith.
3. anyone who does not conform to an established attitude, doctrine, or principle.