heresy

noun

her·e·sy | \ ˈher-ə-sē

, ˈhe-rə-\

plural heresies

Definition of heresy

1a : adherence to a religious opinion contrary to church dogma (see dogma sense 2) They were accused of heresy.

b : denial of a revealed truth by a baptized member of the Roman Catholic Church

c : an opinion or doctrine contrary to church dogma

2a : dissent or deviation from a dominant theory, opinion, or practice To disagree with the party leadership was heresy.

b : an opinion, doctrine, or practice contrary to the truth or to generally accepted beliefs or standards our democratic heresy which holds that … truth is to be found by majority vote— M. W. Straight

Synonyms & Antonyms More Example Sentences Learn More about heresy

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Examples of heresy in a Sentence

They were accused of heresy. He was preaching dangerous heresies.

Recent Examples on the Web

Here’s a heresy: This doesn’t matter nearly as much as people think. — James Mackintosh, WSJ, "Don’t Obsess Over the Earnings Season," 5 Feb. 2019 For some traditionalists, this could be considered heresy. — Jonathan Jones, SI.com, "Cam, AB and Opponents Who Team Up for Summer Workouts," 13 July 2018 In recent years, the debate has been especially heated, with Christians disagreeing strongly on whether conflating God and country is a right or a heresy. — Michelle Boorstein, Washington Post, "The “Star-Spangled Banner” in church? Some Christians are questioning the mix of patriotism and God," 1 July 2018 The cat’s reputation worsened during the medieval era, as the Catholic Church battled against heresies and dissent. — Amanda Foreman, WSJ, "The Dark Lore of Black Cats," 18 Oct. 2018 The Roman Inquisition began in 1542 as part of the Catholic Church's counter-reformation against Protestantism, and prosecuted people for heresy and other doctrinal crimes. — Fox News, "Vatican's Inquisition, Index of Banned Books open for study," 14 May 2018 Lisa Tepes, doctor and wife of Dracula, is burned at the stake by the Inquisition for heresy. — Christopher Rosa, Glamour, "Here's Every New Scary Movie and TV Show Hitting Netflix Before Halloween," 24 Sep. 2018 Galileo was fortunate not to have been burned at the stake for his claims; thousands of less-fortunate people around the world were executed for heresy over the centuries that the Inquisition existed. — Jennifer Ouellette, Ars Technica, "Newly discovered letter by Galileo resolves puzzling historical mystery," 22 Sep. 2018 Delmonico’s chef Billy Oliva knows that purists might call the burger heresy. — Charles Passy, WSJ, "Breakfast Lasagna Benedict? New York Chefs Offer Fresh Takes on Classic Egg Dish," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heresy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

History and Etymology for heresy

Middle English heresie, borrowed from Anglo-French, borrowed (with assimilation to the suffix -ie -y entry 2) from Late Latin haeresis, heresis "school (of philosophy or theology), sect, belief contrary to church dogma," borrowed from Greek haíresis "act of taking, choice, course of action or thought, system of principles, sect, faction," from haireîn "to take, grasp, (middle voice) obtain, choose, prefer" (of obscure origin) + -sis -sis