unitarian

American  

[yoo-ni-tair-ee-uhn] / ˌyu nɪˈtɛər i ən /

noun

1. a person who maintains that God is one being, rejecting the doctrine of the Trinity.

2. (initial capital letter) a member of a liberal religious denomination founded upon the doctrine that God is one being, and giving each congregation complete control over its affairs.

3. an advocate of unity or centralization, as in government.

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adjective

1. (initial capital letter) pertaining to the Unitarians or their doctrines; accepting Unitarianism; belonging to the Unitarians.

2. unitary.

Unitarian ¹ British  

/ ˌjuːnɪˈtɛərɪən /

noun

1. theol a person who believes that God is one being and rejects the doctrine of the Trinity

2. ecclesiast an upholder of Unitarianism, esp a member of the Church ( Unitarian Church ) that embodies this system of belief

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adjective

1. of or relating to Unitarians or Unitarianism

unitarian ² British  

/ ˌjuːnɪˈtɛərɪən /

noun

1. a supporter of unity or centralization

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adjective

1. of or relating to unity or centralization

2. another word for unitary

Other Word Forms

• non-Unitarian adjective
• nonunitarian noun
• pro-Unitarian adjective

Etymology

Origin of unitarian

1680–90; < New Latin ūnitāri ( us ) ( Latin ūnit ( ās ) unity + -ārius -ary ) + -an

Example Sentences

In a series of cases over the past 15 years, the Supreme Court has moved in an unambiguously unitarian, pro-presidential direction.

From Salon • Oct. 8, 2025

All of the grownups belonged to churches, except for one wiseguy who described himself as a lapsed unitarian.

From Time • Sep. 26, 2014

Sorensen evinced a Midwestern sensibility, a unitarian compassion and an unmatched, razor-sharp wit.

From Time • Nov. 19, 2010

Formerly we said an union, an holiday, an universalist, an unitarian, &c., expressions which are now rarely heard.

From Lectures on Language As Particularly Connected with English Grammar. by Balch, William Stevens

He was at first a unitarian minister; but, changing from unitarianism into deism, he left that body, and became a preacher in Boston, until he was compelled to visit Europe on account of enfeebled health.

From History of Free Thought in Reference to The Christian Religion by Farrar, Adam Storey