unitarian

unitary +‎ -ian

unitarian (comparative more unitarian, superlative most unitarian)

1. Espousing a unitary view of something

   the unitarian position on executive power

unitarian (plural unitarians)

1. One who denies the doctrine of the Trinity, believing that God exists only in one person; a unipersonalist.
2. (Islam) A Muwahhid.
3. One who rejects the principle of dualism.
4. A monotheist.
   • 1836, Alexander Fleming, A Narrative of the Proceedings of the Presbytery of Paisley,:

     But since Smith's ( of Norwich ) Bill passed , in 1813 , relieving Unitarians, as a religious sect, from the operation of the old law

unitarian in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

From French unitarien.

unitarian m or n (feminine singular unitariană, masculine plural unitarieni, feminine and neuter plural unitariene)

1. Unitarian