Try Our Apps


90s Slang You Should Know


[fuh-nat-i-kuh l] /fəˈnæt ɪ kəl/
motivated or characterized by an extreme, uncritical enthusiasm or zeal, as in religion or politics.
Also, fanatic.
Origin of fanatical
First recorded in 1540-50; fanatic + -al1
Related forms
fanatically, adverb
fanaticalness, noun
nonfanatical, adjective
nonfanatically, adverb
unfanatical, adjective
unfanatically, adverb
enthusiastic, zealous, frenzied, rabid.
Synonym Study Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for fanatically
Contemporary Examples
Historical Examples
  • It may be fanatically religious in parts, but too often the educated classes rail at religion.

    Romantic Spain John Augustus O'Shea
  • The Bhutanese are badly armed; but they are fanatically brave.

    The Elephant God Gordon Casserly
  • He waved aside all his past disasters: he saw his good star in the ascendant, shining—he fixed his eyes on it fanatically.

  • The peasantry are, everywhere, fanatically hostile to foreigners.

  • I am not speaking of that; Miss Amy Trefusis might be said to be fanatically conceited.

    Jeremy Hugh Walpole
  • Said a country vicar to a fanatically scrupulous devotee: "God is not so silly as that."

    Philosophic Nights In Paris Remy De Gourmont
  • He belonged to a class of holy men, fanatically pious, rigidly observant of the law, and miserably and abjectly poor.

    The Apostles Ernest Renan
  • The boy's wild, vicious character was fanatically rebellious against all discipline.

    Their Son; The Necklace Eduardo Zamacois
British Dictionary definitions for fanatically


surpassing what is normal or accepted in enthusiasm for or belief in something; excessively or unusually dedicated or devoted
Derived Forms
fanatically, adverb
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
Cite This Source
Word Origin and History for fanatically



1540s, from fanatic + -al (1). Related: Fanatically.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for fanatical

Many English speakers likely know this word

Word Value for fanatically

Scrabble Words With Friends

Nearby words for fanatically