Pronunciation: (yOO"ni-târ'ē-un),[key] —n. 1. a person who maintains that God is one being, rejecting the doctrine of the Trinity.
2. (cap.) 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. Cf. Unitarian Universalism. 3. an advocate of unity or centralization, as in government.
—adj. 1. (cap.) pertaining to the Unitarians or their doctrines; accepting Unitarianism; belonging to the Unitarians.