Extremism (noun)

1. The belief in or support of extreme political or social views.
2. The actions or beliefs of people who support extreme political or social views.

Origin:

From the latin extrema, meaning "farthest" or "most extreme".

Examples:

1. The government has been criticized for not taking a strong enough stance against extremism.
2. The rise of extremism in the country has led to an increase in hate crimes.
3. The group's extremist views on immigration have led to them being labeled as a hate group.
4. The leader of the organization was known for his extremist rhetoric and aggressive tactics.
5. The extremism in the political discourse has made it difficult to have a reasoned and productive conversation.