Unitarian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Unitarian /ˌjuːnɪˈtɛːrɪən/ Christian Theology
▶adjective relating to belief in the unity of God and rejection of the doctrine of the Trinity. ▶noun a Christian holding this belief.
– derivatives
Unitarianism noun.
Unitarianism noun.
'Unitarian' also found in these Oxford entries:

