Dictionary Home / C

Chalcedonian Definition

theological_term theological_term standard

The historic church statement that Jesus Christ is one person in two natures, fully God and fully man.

At a Glance

A fourth/fifth-century doctrinal formulation that protects the biblical truth that Christ is fully God and fully man in one person.

Key Points

Description

The Chalcedonian Definition is the historic Christian formulation adopted at the Council of Chalcedon in AD 451. It teaches that the one Lord Jesus Christ exists in two natures, divine and human, united in one person "without confusion, without change, without division, without separation." The wording itself is not taken from Scripture, but it was developed to guard the biblical witness that Jesus is truly God and truly man. In orthodox Christian theology, the definition helps protect both the full deity and the full humanity of Christ while avoiding errors that either divide his person or merge his natures into something less than either.

Biblical Context

The New Testament presents Jesus as truly divine and truly human: the eternal Word made flesh, the Son who possesses the fullness of deity, and the mediator who shared human life, suffering, and death for sinners. The Chalcedonian Definition is a theological summary of those scriptural claims.

Historical Context

Chalcedon arose in response to controversies over how Christ’s deity and humanity relate. The council sought to preserve the church’s confession of Christ against views that divided his person or blurred his humanity and deity. Its definition became one of the most influential statements in historic Christian orthodoxy.

Jewish and Ancient Context

Second Temple Jewish expectation included hopes for the Messiah, but the New Testament reveals that Jesus exceeds merely political or earthly categories. The Chalcedonian Definition uses later doctrinal language to confess what the apostles taught about the incarnate Son of God.

Primary Key Texts

Secondary Key Texts

Original Language Note

The definition is expressed in the language of later Greek theological debate, using terms such as person and nature to clarify biblical teaching. Scripture itself does not use the Chalcedonian formula, but its language seeks to preserve the meaning of the biblical witness.

Theological Significance

The Chalcedonian Definition is important because it safeguards the identity of Jesus Christ as the one mediator between God and humanity. It keeps the church from reducing Christ to a mere man, a lesser deity, or a divided figure who is not fully one in himself.

Philosophical Explanation

The definition uses careful distinctions to answer a basic question: how can Christ be fully God and fully man without becoming two persons or a hybrid being? Its answer is that the one person of the Son truly possesses both natures, each remaining what it is, while united in one personal subject.

Interpretive Cautions

The definition is a servant of Scripture, not a replacement for it. It should be read as a boundary-setting confession rather than a speculative explanation of the incarnation. It should not be used to flatten the mystery of Christ or to force later philosophical categories beyond their proper limits.

Major Views

Historic orthodox Christianity received Chalcedon as a faithful summary of Scripture. It stands against Christological errors that either divide Christ into two acting subjects or absorb his humanity into his deity so that he is no longer fully human.

Doctrinal Boundaries

Affirms one person, two natures; affirms full deity and full humanity; denies that Christ is two persons; denies that the divine and human are mixed into a third thing; denies that either nature is lost or diminished.

Practical Significance

This doctrine matters for worship, salvation, and confidence in Christ’s mediation. Only one who is truly God and truly man can perfectly reveal the Father, bear sin, and represent humanity before God.

Related Entries

See Also

Data

Machine-readable JSON for Chalcedonian Definition

↑ Top