What is fanaticism definition?

Fanaticism is a term used to describe excessive and irrational enthusiasm or devotion to a particular religion, ideology, or cause. It is characterized by an extreme and uncompromising adherence to a set of beliefs or principles, often leading to intolerance and a disregard for opposing views, as well as a willingness to engage in extreme or violent behavior in the pursuit of the cause. Fanatics are often driven by a strong emotional attachment to their beliefs and may be resistant to reason or evidence that contradicts their worldview. Fanaticism can occur in many different contexts, including politics, religion, sports, and social issues.