Catholicism
Americannoun
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the faith, system, and practice of the Catholic Church, especially the Roman Catholic Church.
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(lowercase) catholicity.
noun
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short for Roman Catholicism
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the beliefs, practices, etc, of any Catholic Church
Other Word Forms
Derived Forms
Etymology
Origin of Catholicism
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And it’s not just the figure at the top that changes the dynamics: Catholicism is hot right now, at least in media coverage.
From Slate • Apr. 15, 2026
JD Vance converted to Catholicism in 2019, during a time when he was being heavily bankrolled by esoteric Catholic billionaire Peter Thiel.
From Salon • Apr. 15, 2026
Why does Roman Catholicism prohibit other faiths from taking Communion?
From The Wall Street Journal • Apr. 13, 2026
Africa is home to one-fifth of the world’s 1.4 billion Catholics, and Catholicism is growing faster there than anywhere else.
From The Wall Street Journal • Apr. 12, 2026
That is, I acquired my earliest sense of the Church—and my membership in it—through my parents’ Mexican Catholicism.
From "Hunger of Memory" by Richard Rodriguez
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
