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

Tying them all together is the presence of Roman Catholicism.

From Los Angeles Times • Nov. 7, 2023

It also favors LGBTQ+ rights, a rarity among the major parties in a country that is a stronghold of conservative Roman Catholicism.

From Seattle Times • Sep. 30, 2023

Maggie remembered that Elisha had at one time suggested she convert to Roman Catholicism.

From "American Spirits" by Barb Rosenstock