Fanaticism

Pronunciation: /fəˈnætəˌsɪzəm/

Fanaticism (noun)

  1. Very strong and unreasonable devotion to an idea, person, or activity, shown by actions that ignore other important things.
  2. A belief system held with extreme intensity, sometimes leading to harmful or violent behaviour toward others.

Examples

  • Her fanaticism for music made her practice every day.
  • Fanaticism can push people to ignore other interests.