tritheism

The belief that the Father, Son, and Holy Spirit are three separate and distinct gods, heretical in orthodox Christianity.

The doctrine that there are three Gods, specifically that the Father, Son, and Holy Spirit are three distinct Gods.

The opinion or doctrine that the Father, Son, and Holy Spirit are three distinct Gods.

A belief in three gods.

Any of several forms of Christianity that deny the Trinity.

(Christianity) the heretical belief that the Father and the Son and the Holy Spirit are three separate gods