ファナティシズム

noun

fanaticism

Refers to extreme, uncritical zeal or devotion, often in political, religious, or ideological contexts. Less common than the native term 狂信 (きょうしん).

• 彼かれのファナティシズムは周しゅう囲いを困こん惑わくさせた。

  His fanaticism baffled those around him.