An example of a heretic is a person who has views that do not conform to the views of the Roman Catholic church.
Origin of hereticMiddle English heretike ; from Middle French hérétique ; from Ecclesiastical Late Latin haereticus, of heresy, heretic ; from Classical Greek hairetikos, able to choose, in LGr(Ec), heretical ; from hairein, to take, choose
Origin of hereticMiddle English heretik, from Old French heretique, from Late Latin haereticus, from Greek hairetikos, able to choose, factious, from hairetos, chosen, from haireisthai, to choose; see heresy.
(comparative more heretic, superlative most heretic)
Middle English, from Old French eretique, from Medieval Latin haereticus, from Ancient Greek αἱρετικός (hairetikos, “able to choose, factious”)