Fanaticism

//fəˈnæt.ɪ.sɪ.zəm// noun

noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    The characteristic or practice of being a fanatic. countable, uncountable

    "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."

  2. 2
    excessive intolerance of opposing views wordnet

Synonyms

All synonyms
agitationauthoritarianismbalkinessbiasbibliolatrybigotry

Example

More examples

"Fanaticism is a monster a thousand times more dangerous than philosophical atheism."

Etymology

From fanatic + -ism.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.