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Fundamentalism is typically characterized by a strict adherence to established religious beliefs and doctrines, often accompanied by a literal interpretation of sacred texts. This rigidity is a core feature, as fundamentalist groups tend to reject modernist approaches to faith and seek to uphold traditional values.

The idea of flexibility in the interpretation of texts fundamentally contradicts the essence of fundamentalism. Those within fundamentalist movements usually advocate for a specific, often non-negotiable understanding of their religious teachings. This inflexibility is a response to perceived threats from contemporary society, particularly concerning secular ideologies.

Additionally, fundamentalism can lead to social problems, especially when beliefs are taken to extremes, which is why the more radical factions may result in conflict or violence. There is also a common reactionary stance against secularization, wherein fundamentalist groups actively oppose modern secular trends that they view as corrosive to their religious values.

Hence, the notion of flexibility in interpretation does not align with the characteristics of fundamentalism, highlighting the rigidity and strict adherence to traditional beliefs that define these movements.