Unitarianism

American  

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

noun

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

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

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unitarianism British  

/ ˌjuːnɪˈtɛərɪəˌnɪzəm /

noun

1. any unitary system, esp of government

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Etymology

Origin of Unitarianism

unitarian ( def. ) + -ism

Example Sentences

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

By the mid-1830s, a few daring intellectuals around Boston had pushed beyond Unitarianism and gathered to discuss Hindu scriptures, Chinese philosophy, and German free thought in a circle they called the Transcendental Club.

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

The century’s most famous Catholic convert, a journalist named Orestes Brownson, tried Congregationalism, Presbyterianism, Universalism, Unitarianism, and Transcendentalism on his way to Catholicism.

From Slate • Jul. 8, 2015

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