plural of fundamentalist

One who reduces religion to strict interpretation of core or original texts.

Fundamentalist.

(rare) In a fundamentalistic manner

(US, religion) Alternative form of Fundamentalist Church of Jesus Christ of Latter-Day Saints

(religion) Alternative form of Fundamentalist Church of Jesus Christ of Latter-Day Saints

A denomination of Mormonism, widely known for practising polygamy, which split from the main church over the issue of the banning of plural marriage, seen to be placating the United States government on secular worldly issues, and compromising the true faith.