Roman Catholicism

American  

noun

1. the faith, practice, and system of government of the Roman Catholic Church.

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Roman Catholicism British  

noun

1. the beliefs, practices, and system of government of the Roman Catholic Church

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Etymology

Origin of Roman Catholicism

First recorded in 1815–25

Example Sentences

Why does Roman Catholicism prohibit other faiths from taking Communion?

From The Wall Street Journal • Apr. 13, 2026

He lived at The College, in Littlemore, during the 1840s, which is where he controversially converted to Roman Catholicism in 1845.

From BBC • Aug. 10, 2025

“The reason I moved from right to left is not because my fundamental values changed,” said Sitman, who has converted to Roman Catholicism.

From Los Angeles Times • Dec. 18, 2024

To this crowd, Vance spoke of his grandmother’s personal, eclectic version of evangelical Christianity and didn’t mention his own Roman Catholicism.

From Slate • Sep. 30, 2024

I particularly feared he would get embroiled in a religious discussion, bring in my Roman Catholicism in a way that could embarrass the Church.

From "Black Like Me" by John Howard Griffin