Kerygma is a Greek term that refers to the proclamation or preaching of the Christian gospel. It is derived from the Greek word kēryssō, meaning "to proclaim" or "to preach." In the New Testament, kerygma specifically refers to the core message of the Christian faith,...

Kenosis is a theological concept that refers to the "self-emptying" of Jesus Christ in His incarnation, as described in Philippians 2:5-8. The term comes from the Greek word kenosis (κένωσις), which means "to empty." This concept has been central to Christian...

Just War Theory is a framework for evaluating the moral legitimacy of engaging in war, seeking to balance the necessity of confronting evil and injustice with the ethical constraints that reflect Christian values of peace and justice. From a conservative,...

Jubilate Sunday is the third Sunday after Easter in the liturgical calendar of many Christian traditions, particularly within Anglican, Lutheran, and some Reformed churches. The name "Jubilate" is derived from the opening word of the Introit for the day in Latin,...

Jansenism was a theological movement within the Roman Catholic Church that emerged in the 17th century, emphasizing original sin, human depravity, the necessity of divine grace, and predestination. It was named after Cornelius Jansen, a Dutch theologian whose...

The Inquisition refers to a series of institutional efforts by the Roman Catholic Church to combat heresy, enforce orthodoxy, and maintain religious authority within Christendom. These efforts took place over several centuries, primarily in medieval and early modern...

Infallibility refers to the belief that certain teachings, particularly those related to faith and morals, are free from error. In Christian theology, infallibility is most commonly associated with the doctrines of the Bible's infallibility and, in some traditions,...

Inclusivism is a theological perspective within Christianity that holds that while salvation is ultimately made possible through Jesus Christ, individuals who have not explicitly known or accepted Christ may still be saved if they respond positively to God's grace as...

Immutability is a theological term that refers to the unchanging nature of God. In Christian theology, immutability means that God is consistent, reliable, and unalterable in His essence, attributes, and purposes. This doctrine is central to the Christian...

Iconolatry refers to the veneration or worship of icons, which are religious images or representations used in Christian worship, particularly within Eastern Orthodox, Roman Catholic, and some other Christian traditions. The term "iconolatry" comes from the Greek...

Iconoclasm, derived from the Greek words eikon (meaning "image") and klao (meaning "to break"), refers to the rejection, destruction, or prohibition of religious images, particularly within the Christian context. This movement has had significant theological,...

Holy Orders is a sacrament in Christian tradition, particularly within Roman Catholicism, Eastern Orthodoxy, and some Anglican and Lutheran traditions, that involves the ordination of individuals to the clergy, enabling them to perform sacred duties and administer...