heretic.
Someone whose beliefs are contrary to the fundamental tenets of a religion they claim to belong to.
Meaning & usage
Someone whose beliefs are contrary to the fundamental tenets of a religion they claim to belong to.
Someone who does not conform to generally accepted beliefs or practices.
Where this word comes from
From Middle English heretyk, heretike, from Old French eretique, from Medieval Latin or Ecclesiastical Latin haereticus, from Ancient Greek αἱρετικός (hairetikós, “able to choose, factious”), itself from Ancient Greek αἱρέω (hairéō, “to choose”).
Heretical; of or pertaining to heresy or heretics.
Where this word comes from
From Middle English heretyk, heretike, from Old French eretique, from Medieval Latin or Ecclesiastical Latin haereticus, from Ancient Greek αἱρετικός (hairetikós, “able to choose, factious”), itself from Ancient Greek αἱρέω (hairéō, “to choose”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.