fanaticism

F4A1N1A1T1I1C3I1S1M3
/fəˈnæt.ɪ.sɪ.zəm/US/fəˈnæɾ.ɪ.sɪ.zm̩/

noun

The characteristic or practice of being a fanatic.

Less commonScrabble 17

Meanings

nounfanaticism (countable and uncountable, plural fanaticisms)

plural fanaticisms · alternative archaic phanaticism

  1. countableuncountableThe characteristic or practice of being a fanatic.

    Witch-hunting became a mania, with all the abuses and excesses which invariably develop with fanaticism.

    1965, Attila Zohar, Kings Cross Black Magic, Sydney: Horwitz Publications, page 88
    2 more examples

    The demon of fanaticism was the shape which it took with us; and verily, what with religious republicans, harmonists, quakers, fifth-monarchy men, presbyterians, and the reign of the saints upon earth, it needs the strong hand of a Cromwell to reduce the spiritual chaos to any sort of order.

    1834, L[etitia] E[lizabeth] L[andon], chapter III, in Francesca Carrara. […], volume I, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 35

    That being said, his rebellious nature and hatred of pure-blood fanaticism makes it impossible for Tom to recruit him.

    2026, G. V. Candido-Beecher, illustrated by Nick Beecher, Voldemort: The Definitive Study of Tom Riddle — The Man Who Would Become "He-Who-Must-Not-Be-Named", page 51

Synonyms & antonyms

nounexcessive intolerance of opposing views

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*dʰeh₁-
  2. Proto-Indo-European*dʰéh₁s
  3. Proto-Italic*faznom
  4. Latinfānum
  5. Latinfānāticu
  6. Frenchfanatiqueinflu.
  7. Englishfanatic
  8. Englishfanaticism

From fanatic + -ism.

Full word history & related roots →

Translations

Arabic تَعَصُّب
  • تَعَصُّب (taʕaṣṣub)characteristic or practice of being a fanatic
Bulgarian фанати́зъм, фанати́чност
  • фанати́зъм (fanatízăm)characteristic or practice of being a fanatic
  • фанати́чност (fanatíčnost)characteristic or practice of being a fanatic
Catalan fanatisme
  • fanatismecharacteristic or practice of being a fanatic
Chinese Mandarin 狂熱 /狂热, 狂信
  • 狂熱 /狂热 (kuángrè)characteristic or practice of being a fanatic
  • 狂信 (kuángxìn)characteristic or practice of being a fanatic
Czech fanatismus
  • fanatismuscharacteristic or practice of being a fanatic
Danish fanatisme
  • fanatismecharacteristic or practice of being a fanatic
Dutch fanatisme
  • fanatismecharacteristic or practice of being a fanatic
Estonian fanatism
  • fanatismcharacteristic or practice of being a fanatic
Finnish fanaattisuus, fanatismi
  • fanaattisuuscharacteristic or practice of being a fanatic
  • fanatismicharacteristic or practice of being a fanatic
  • kiihkoilucharacteristic or practice of being a fanatic
  • kiihkocharacteristic or practice of being a fanatic
French fanatisme
  • fanatismecharacteristic or practice of being a fanatic
German Fanatismus, Eiferertum
  • Fanatismuscharacteristic or practice of being a fanatic
  • Eiferertumcharacteristic or practice of being a fanatic
Greek φανατισμός
  • φανατισμός (fanatismós)characteristic or practice of being a fanatic
Hungarian fanatizmus
  • fanatizmuscharacteristic or practice of being a fanatic
Italian fanatismo
  • fanatismocharacteristic or practice of being a fanatic
Japanese 狂信, ファナティシズム
  • 狂信 (kyōshin)characteristic or practice of being a fanatic
  • ファナティシズム (fanatishizumu)characteristic or practice of being a fanatic
Korean 열광, 광신
  • 열광 (yeolgwang)characteristic or practice of being a fanatic
  • 광신 (gwangsin)characteristic or practice of being a fanatic
  • 광신주의 (gwangsinjuui)characteristic or practice of being a fanatic
Latvian fanātisms
  • fanātismscharacteristic or practice of being a fanatic
Lithuanian fanatizmas
  • fanatizmascharacteristic or practice of being a fanatic
Norwegian Bokmål fanatisme
  • fanatismecharacteristic or practice of being a fanatic
Persian تعصب
  • تعصب (ta'assob)characteristic or practice of being a fanatic
Polish fanatyzm
  • fanatyzmcharacteristic or practice of being a fanatic
Portuguese fanatismo
  • fanatismocharacteristic or practice of being a fanatic
Romanian fanatism
  • fanatismcharacteristic or practice of being a fanatic
Russian фанати́зм, фанати́чность
  • фанати́зм (fanatízm)characteristic or practice of being a fanatic
  • фанати́чность (fanatíčnostʹ)characteristic or practice of being a fanatic
Slovak fanatizmus
  • fanatizmuscharacteristic or practice of being a fanatic
Spanish fanatismo
  • fanatismocharacteristic or practice of being a fanatic
Swedish fanatism
  • fanatismcharacteristic or practice of being a fanatic
Turkish bağnazlık, fanatiklik
  • bağnazlıkcharacteristic or practice of being a fanatic
  • fanatiklikcharacteristic or practice of being a fanatic
  • fanatizmcharacteristic or practice of being a fanatic
Ukrainian фанати́зм, фанати́чність
  • фанати́зм (fanatýzm)characteristic or practice of being a fanatic
  • фанати́чність (fanatýčnistʹ)characteristic or practice of being a fanatic
Cite this entry
APA

fanaticism. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fanaticism

MLA

“fanaticism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fanaticism. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “fanaticism,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fanaticism.

Source: fanaticism on Wiktionary, CC BY-SA 4.0.