fa·​nat·​i·​cism | \ fə-ˈna-tə-ˌsi-zəm \

Definition of fanaticism

: fanatic outlook or behavior

Examples of fanaticism in a Sentence

Recent Examples on the Web

One suspects that an element of fanaticism has driven missionaries throughout history to venture into far-flung places where they’re not wanted (at least initially). Tunku Varadarajan, WSJ, "Death of a Missionary," 25 Nov. 2018 Like any strain of fanaticism, American conservatism sustains itself on the premise that it has Never Been Tried. Jonathan Chait, Daily Intelligencer, "Trump Handed the Agenda to Conservatives and They Blew It," 30 Apr. 2018 Vajpayee's supporters saw him as a skilled politician who managed to avoid fanaticism, a man who refused to see the world in black and white. Ashok Sharma, Fox News, "Former Indian PM Vajpayee dies after illness at age 93," 16 Aug. 2018 Religious fanaticism is on the wane, and corrupt power networks among both the clergy and institutions like the Revolutionary Guard have discredited the regime in the eyes of the people. Walter Russell Mead, WSJ, "Trump’s Iran Gambit," 8 June 2018 He could never be corrupted by anything except his own fanaticism. Jonathan Chait, Daily Intelligencer, "Glenn Greenwald Tells Russians Liberals Are Blaming Them As Excuse for Clinton," 9 July 2018 The novel is interested in exploring where faith shades into fanaticism and where religion shades into a cult., "R.O. Kwon's The Incendiaries Gives A Glimpse Into A Cult's Magnetic Pull," 6 July 2018 Soon-To-Be Sold Out Sneaker Before Anyone Else Can the Trek deliver the same levels of fanaticism as the French brand's Triple S sneaker? Tyler Watamanuk, GQ, "Pick Up Balenciaga’s Soon-To-Be Sold Out Sneaker Before Anyone Else," 29 June 2018 The set looks tailor-made for a Hellcab update; what Bennett Fisher presents instead is a tortuous lecture about fanaticism and class and race relations in America. Dmitry Samarov, Chicago Reader, "Damascus attempts to tackle faith, politics, and race without a road map," 1 June 2018

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

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First Known Use of fanaticism

1652, in the meaning defined above

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Last Updated

28 Dec 2018

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Time Traveler for fanaticism

The first known use of fanaticism was in 1652

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More Definitions for fanaticism


fa·​nat·​i·​cism | \ fə-ˈnat-ə-ˌsiz-əm \

Medical Definition of fanaticism

: fanatic outlook or behavior especially as exhibited by excessive enthusiasm, unreasoning zeal, or wild and extravagant notions on some subject

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More from Merriam-Webster on fanaticism

Rhyming Dictionary: Words that rhyme with fanaticism

Spanish Central: Translation of fanaticism

Nglish: Translation of fanaticism for Spanish Speakers

Britannica English: Translation of fanaticism for Arabic Speakers Encyclopedia article about fanaticism

Comments on fanaticism

What made you want to look up fanaticism? Please tell us where you read or heard it (including the quote, if possible).


excited commotion or publicity

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