| A | B |
| abstinence | refers to the obligation to abstain from something, typically food or drink |
| actual sin | a thought, word, or omission contrary to God's eternal law |
| beatitude | happiness or blessedness, especially the eternal happiness of heaven |
| beatitudes | the teachings of Jesus in the Sermon on the Mount |
| commandment | a norm of moral or religious action |
| concupiscence | human appetites or desires remain disordered due to the temporal consequences of Original Sin |
| conversion | a radical reorientation of one's whole life away from sin and evil and toward God |
| covenant | a solemn agreement between people or between God and man involving mutual commitments and guarantees |
| decalogue | from the Greek for "ten sayings" |
| divine revelation | God's communication of his divine life, so that man can know him and respond to his love |
| fasting | mortification by deprivation of food |
| formal cooperation | a deliberate assistance to another person in the commission of evil |
| formal sin | sin that is freely and deliberately committed |
| habitual sin | a permanent state of culpability caused by the frequent commission of actual sins |
| holy days of obligation | a Sunday or other feast day of importance that Christians are obliged to keep holy |
| idolatry | the worship or adoration due God alone paid to images "made with hands" or any created object |
| imperfect contrition | attrition. sorrow of the sin committed together with the resolution not to sin again as a result of being sorry for sins due to fear of God's punishment |
| intrinsic evil | an act that is evil in and of itself and never justifiable, regardless of situation or circumstance |
| justice | one of the four cardinal virtues |
| Kingdom of God | the kingdom of heaven itself, and the call to establish the kingdom of God on earth |
| Magisterium | The name given to the ordinary and universal authority of the pope and bishops in guiding the church without error in matters of faith and morals through interpretation of Sacred Scripture and Tradition. |
| Material Cooperation | An action that plays a role in an evil deed but lacks the deliberate consent to that same cooperative action. |
| Mortal Sin | A grave offense against God that destroys the relaitonship with Him by severing the Divine Love. It destroys charity and turns man away from God. |
| New Covenant | The new "dispensation" or order, established by God in Jesus Christ, to succeed and perfect the Old Covenant. |
| Occasion of Sin | A perosn, place, thing, or situation that generally leads to temptation. |
| Old Covenant | The Mosaic Law, encapsulated as the 10 commandments, and its stipulation from God to Israelites that "I will be your God, and you will be my people." |
| Perfect Contrition | Sorrow of the soul and detestation for the sin committed together with the resolution not to sin again as a result of being sorry for the sins due to a love for God above all else. |
| Personal Sin | Sint hat results from deliberation and an act of the will with knowledge. |
| Physical Evil | An evil that is committed by an act as opposed to an interior attitude. |
| Redemption | The possibility of spending eternity in Heaven, made possible by the Incarnation, Death, and Resurrection of Christ. |
| Repentance | True sorrow for one's own sins and the firm resolution to avoid all sin in the future. |
| Righteousness | Jusitce; uprightness; conformity of life to the requirements of the divine or moral law; virtue; integrity. |
| Sacrament of Reconciliation | Also called Penance or Confession. The sacrament when Christ forgives sins. Jesus gave this power to the Apostles who gave it to their successors, which is the power to retain or forgive sins. It is only administered by Priests or Bishops. |
| Salvation | The Redemption and the promise of Heaven brought about by the Death and REsurrection of Jesus, our discipleship in Christ, and our commitment to seeking holiness and avoiding sin. |
| Sin | A transgression of the Divine Law and an offense against God involving the individual's knowledge and will. |
| Sin of Omission | Sin by means of committing an evil act such as theft or murder, or the sin of not committing a good act such as forgiving someone who wronged us. |
| Venial Sin | An offense agaist the law and love of God that does not deprive the soul of sanctifying grace, but weaens a person's love for God and neighbor. |