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

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

Brigid’s moment is happening as many Irish are disillusioned with traditional Roman Catholicism and its patriarchal leadership amid a secularizing culture.

From Seattle Times • Jan. 26, 2024

His father was a leather wholesaler; his mother, who managed the home, had converted to Judaism from Roman Catholicism in 1932.

From New York Times • Jan. 22, 2024

Tying them all together is the presence of Roman Catholicism.

From Los Angeles Times • Nov. 7, 2023

Roman Catholicism was the dominant religion of Poland, and religion was very much a part of the public school I attended.

From "The Boy on the Wooden Box" by Leon Leyson