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  • Unitarianism
    Unitarianism
    noun
    the beliefs, principles, and practices of Unitarians.
  • unitarianism
    unitarianism
    noun
    a system of Christian belief that maintains the unipersonality of God, rejects the Trinity and the divinity of Christ, and takes reason, conscience, and character as the criteria of belief and practice

Unitarianism

American  
[yoo-ni-tair-ee-uh-niz-uhm] / ˌju nɪˈtɛər i əˌnɪz əm /

noun

  1. the beliefs, principles, and practices of Unitarians.

  2. (lowercase) any system advocating unity or centralization, as in government.


unitarianism 1 British  
/ ˌjuːnɪˈtɛərɪəˌnɪzəm /

noun

  1. a system of Christian belief that maintains the unipersonality of God, rejects the Trinity and the divinity of Christ, and takes reason, conscience, and character as the criteria of belief and practice

"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

unitarianism 2 British  
/ ˌjuːnɪˈtɛərɪəˌnɪzəm /

noun

  1. any unitary system, esp of government

"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

Etymology

Origin of Unitarianism

unitarian ( def. ) + -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.

See Examples For:

Chesterton was raised in a high-minded Unitarianism whose morals he approved but whose understanding of God he found too thin to support the changes that he, as a man of the left, wanted.

From The Wall Street Journal ● Apr. 3, 2026

With a subdued and intellectual form of worship, these churches abandoned theological mysteries like the Trinity in favor of Unitarianism, while Universalist preachers taught rural and working-class Christians that God would save everybody.

From Textbooks ● Jan. 18, 2018

But like his father, President John Adams, he migrated over to a more conservative tradition and toward Unitarianism.

From Washington Post ● Nov. 16, 2017

They were often people of independent frame of mind, perhaps because of the traditions of non-conformism and Unitarianism that existed in the city.

From BBC ● Feb. 12, 2016

Unitarianism was a lenient Christian faith at the center of social reform in England.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman

The movement was connected with a tendency towards unitarianism, which, besides attracting many dissenters, exercised an influence within the Church.

From The Political History of England - Vol. X. The History of England from the Accession of George III to the close of Pitt's first Administration by Reginald Lane Poole

He was a convert to unitarianism, to which sect Paley had a strong leaning.

From A Budget of Paradoxes, Volume I by David Eugene Smith

The conception of an almost solitary deity, recognized as watcher of wrong, guardian of right, and primitive creator, approaches more closely to unitarianism than does the idea of any physical power in the Rig Veda.

From The Religions of India Handbooks on the History of Religions, Volume 1, Edited by Morris Jastrow by Edward Washburn Hopkins

Presbyterianism collapsed into unitarianism and there was a general tendency towards deism.

From Our Legal Heritage : 600-1776 King Aethelbert - King George III by S. A. Reilly

Priestley seems to have gotten on very well, although the philosophers found his materialism and unitarianism a trifle inconsistent.

From Baron D'Holbach : a Study of Eighteenth Century Radicalism in France by Max Pearson Cushing

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