Here’s another definition:
fundamentalism [fəndəmentəlɪzəm, fəndəmenəlɪzəm]Anoun
1fundamentalism the interpretation of every word in the sacred texts as literal truth Category Tree:psychological_feature╚cognition; knowledge; noesis╚content; cognitive_content; mental_object╚belief╚religion; faith; religious_belief╚Christianity; Christian_religion╚Protestantism╚fundamentalismI [...]