[fuh-nat-uh-sahyz-uh m]


fanatical character, spirit, or conduct.

Origin of fanaticism

First recorded in 1705–15; fanatic + -ism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fanaticism

Contemporary Examples of fanaticism

  • In short, these "solutions" represent neither principles nor pragmatism, and instead reflect dangerous phantasms and fanaticism.

    The Daily Beast logo
    Israel and Palestine Vs. ‘Blood and Magic’

    Hussein Ibish, Saliba Sarsar

    September 17, 2013

  • And to respond to fanaticism in kind, to give in to its death urges, is to be complicit with it—deeply complicit.

    The Daily Beast logo
    The Criminal Folly of the Egyptian Armed Forces

    Bernard-Henri Lévy

    August 20, 2013

  • Notice how central the issues of termperament and fanaticism are to Frum's critique.

    The Daily Beast logo
    More Conservative Denialism

    Michael Tomasky

    February 27, 2013

  • So the basis for backing a liar is the greater cynicism and fanaticism of the GOP.

    The Daily Beast logo
    How Would Romney Govern?

    Justin Green

    November 5, 2012

  • His fanaticism was so intense that he was thought to be a government agent and not welcomed into the anarchist circles.

    The Daily Beast logo
    Rise of the Fright Wing

    John Avlon

    January 15, 2011

Historical Examples of fanaticism

  • But how pull the scales from off eyes blinded by fanaticism?

    A Nest of Spies

    Pierre Souvestre

  • He could not combat the fanaticism that was Sir Richard's in this matter.

    The Lion's Skin

    Rafael Sabatini

  • The Catholics were stimulated by all the energies of fanaticism in defense of the Church.

  • The fanaticism of yesterday is the reform of to-day, and the victory of to-morrow.

  • Freed from his fanaticism, his fascination, she will be as dangerous as a baby.

    The Genius

    Margaret Horton Potter

British Dictionary definitions for fanaticism



wildly excessive or irrational devotion, dedication, or enthusiasm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fanaticism

1650s, from fanatic + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper