First Known Use: 1687
Dictionary
unitarian
noun uni·tar·i·an \ˌyü-nə-ˈter-ē-ən\
Definition of UNITARIAN
1
a often capitalized : one who believes that the deity exists only in one person b capitalized : a member of a denomination that stresses individual freedom of belief, the free use of reason in religion, a united world community, and liberal social action
2
— unitarian adjective often capitalized
— uni·tar·i·an·ism \-ē-ə-ˌni-zəm\ noun often capitalized
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Origin of UNITARIAN
New Latin unitarius, from Latin unitas unity
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