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Protestantism

American  
[prot-uh-stuhn-tiz-uhm] / ˈprɒt ə stənˌtɪz əm /

noun

  1. the religion of Protestants.

  2. the Protestant churches collectively.

  3. adherence to Protestant principles.


Protestantism British  
/ ˈprɒtɪstənˌtɪzəm /

noun

  1. the religion or religious system of any of the Churches of Western Christendom that are separated from the Roman Catholic Church and adhere substantially to principles established by Luther, Calvin, etc, in the Reformation

  2. the Protestant Churches collectively

  3. adherence to the principles of the Reformation

"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

Other Word Forms

Etymology

Origin of Protestantism

First recorded in 1640–50; Protestant + -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.

Once Protestantism was dethroned, historians excavated almost every part of the nation’s spiritual landscape.

From The Wall Street Journal • Apr. 19, 2026

He says there is an "inherited fault line" on Irish immigration, Irish Catholicism and Scottish Protestantism in the west coast, which goes back to the 19th Century.

From BBC • Aug. 10, 2024

Ufology, like Protestantism, is a big-tent religion, and “A lot of this overlaps,” Janix said.

From Los Angeles Times • Jun. 4, 2024

Through the Renaissance and the upheaval of Protestantism, through Martin Luther and all that, Freemasonry changed the world.

From Salon • Aug. 13, 2023

Its tone of both remorse and defiance was to be an inspiration to the Humanist theologian and scholar Erasmus and the soon-to-be founder of Protestantism, Martin Luther.

From "The Story of Music" by Howard Goodall

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