One who denies the divinity of a Trinitarian.

One who denies the doctrine of the Trinity, believing that God exists only in one person; a unipersonalist; also, one of a denomination of Christians holding this belief.

Of or pertaining to Unitarians, or their doctrines.

one who disbelieves in the orthodox Christian doctrine of the Trinity by denying the divinity of Jesus.

a person who believes in at most one God

One who disbelieves in the divinity of a trinitarian. One who is only one step from the truth.