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[fuh-nat-uh-sahyz-uh m] /fəˈnæt əˌsaɪz əm/
fanatical character, spirit, or conduct.
Origin of fanaticism
First recorded in 1705-15; fanatic + -ism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for fanaticism
Contemporary Examples
Historical Examples
  • 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.

    Henry IV, Makers of History John S. C. Abbott
  • 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
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Word Origin and History for fanaticism

1650s, from fanatic + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper
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