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Synonyms

Catholicism

American  
[kuh-thol-uh-siz-uhm] / kəˈθɒl əˌsɪz əm /

noun

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

  2. (lowercase) catholicity.


Catholicism British  
/ kəˈθɒlɪˌsɪzəm /

noun

  1. short for Roman Catholicism

  2. the beliefs, practices, etc, of any Catholic Church

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Catholicism Cultural  
  1. The beliefs and practices of the Roman Catholic Church.


Other Word Forms

Etymology

Origin of Catholicism

First recorded in 1600–10; Catholic + -ism

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.

Both men have helped bridge the gap between South and North and have offered a theological and sociological approach that represents Southern concerns in a less abrasive way than, for example, African Catholicism might.

From The Wall Street Journal • Apr. 20, 2026

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

A Catholic who lived most of his week without a sense of communal Catholicism, I relied upon conscience as never before.

From "Hunger of Memory" by Richard Rodriguez

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