Definition of unitarian
1a
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
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share unitarian
Time Traveler for unitarian
The first known use of unitarian was circa 1651
See more words from the same year