<p><strong>Noun</strong></p><ul><li>a professed believer who maintains religious opinions contrary to those accepted by their church or rejects doctrines prescribed by that church</li><li>Synonyms: backslider, Protestant, recreant, apostate</li><li>a baptized Roman Catholic who willfully and persistently rejects any article of faith</li><li>anyone who does not conform to an established attitude, doctrine, or principle</li><li>Synonyms: freethinker, skeptic, dissenter</li></ul><p><strong>Adjective</strong></p><ul><li>heretical</li></ul>