Orthodox Christianity affirms that the Son is eternally begotten of the Father and the Spirit proceeds from the Father, yet all three Persons share one divine essence equally. Subordinationism errs by confusing the economic roles of the Trinity (the Son submits to the Father's will in the work of redemption) with ontological inequality (the Son being less divine). Scripture teaches both the Son's submission in His incarnate mission — "the Father is greater than I" (John 14:28) — and His full equality of nature — "I and the Father are one" (John 10:30). Arianism, the most infamous form of subordinationism, denied the Son's full deity. The Nicene Creed's "of one substance with the Father" was the church's definitive rejection of this heresy.
Not directly listed in the 1828 dictionary.
SUBOR'DINATE, a. Inferior in order, in nature, in power, in authority. Placed in a lower order or rank. The theological term subordinationism applies this concept heretically to the persons of the Godhead, asserting that the Son or Spirit is subordinate in being to the Father — a position rejected by all ecumenical creeds.
• John 10:30 — "I and the Father are one."
• Colossians 2:9 — "For in him the whole fullness of deity dwells bodily."
• Philippians 2:6 — "Who, though He was in the form of God, did not count equality with God a thing to be grasped."
• John 14:28 — "The Father is greater than I." (Economic subordination, not ontological.)
Subordinationism resurfaces in cults and is sometimes confused with orthodox complementarianism.
Groups like the Jehovah's Witnesses explicitly teach ontological subordinationism, denying Christ's full deity. Within evangelicalism, debate over "eternal functional subordination" (EFS) has sometimes blurred the line between orthodox distinctions of role and heretical claims of nature. Egalitarians accuse complementarians of subordinationism when they affirm the Son's eternal submission to the Father; some complementarians have indeed crossed that line carelessly. The key distinction the church has always maintained is this: the Son's obedience to the Father in the economy of salvation does not make Him less God. Role is not rank. Function is not nature. Confusing these categories is the root of every subordinationist error.
• "Subordinationism is the ancient heresy that refuses to die — it reappears wherever men confuse the Son's role of obedience with inferiority of being."
• "The Nicene Creed's 'of one substance with the Father' was forged in the fires of the subordinationist controversy."