noun
Refers to strict adherence to the basic principles of a religion or ideology, often in a political context. The cross-reference 原理主義 is the native Japanese equivalent.
See also: 原理主義
彼の考え方は宗教的ファンダメンタリズムに近い。
His way of thinking is close to religious fundamentalism.
原理主義 is the native Japanese term for fundamentalism, often used in the same contexts. ファンダメンタリズム is a direct loanword and may carry a slightly more Western or academic nuance.
Borrowed from English 'fundamentalism'.