One who denies the doctrine of the Trinity, believing that God exists only in one person; a unipersonalist. / (Islam) A Muwahhid. / One who rejects the principle of dualism. / A monotheist.

Espousing a unitary view of something

(beginning in 1961) The religion known as Unitarian Universalism

The religious belief that God is a single Person.

plural of Unitarian

Pertaining to Unitarianism.

A Christian who does not believe in the traditional doctrine of the Trinity.

The belief in a single God, not divided into any aspects, particularly when presented as a contrast to Christian trinitarianism.

present participle of unitarianize

Third-person singular simple present indicative form of unitarianize