unitarian

noun

uni·​tar·​i·​an ˌyü-nə-ˈter-ē-ən 

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

: an advocate of unity or a unitary system

unitarian adjective often capitalized

unitarianism

ˌyü-nə-ˈter-ē-ə-ˌni-zəm 

noun often capitalized

Word History

Etymology

New Latin unitarius, from Latin unitas unity

First Known Use

circa 1651, in the meaning defined at sense 1a

Kids Definition

unitarian

noun

uni·​tar·​i·​an ˌyü-nə-ˈter-ē-ən 

often capitalized

: one who believes that God exists only in one person

unitarian adjective often capitalized

unitarianism

-ē-ə-ˌniz-əm 

noun often capitalized