--- title: What is sin? description: "[sin](https://thebiblicalroots.org/encyclopedia/sin/) is humanity’s rebellion against God. At its most basic level, [sin](https://thebiblicalroots.org/encyclopedia/sin/) is failing to live according to God’s will, character, and commands. Scripture describes [sin](https://thebiblicalroots.org/encyclopedia/sin/) not only as deliberate disobedience, but also as falling short of the holiness and…" url: "https://thebiblicalroots.org/answers/what-is-sin/" updated: "2026-06-01" category: Apologetics --- # What is sin? [sin](https://thebiblicalroots.org/encyclopedia/sin/) is humanity’s rebellion against God. At its most basic level, [sin](https://thebiblicalroots.org/encyclopedia/sin/) is failing to live according to God’s will, character, and commands. Scripture describes [sin](https://thebiblicalroots.org/encyclopedia/sin/) not only as deliberate disobedience, but also as falling short of the holiness and righteousness God created us for (Rom. 3:23). In the Old Testament, one of the primary Hebrew words for [sin](https://thebiblicalroots.org/encyclopedia/sin/) is *ḥaṭṭāʾt* (חַטָּאת), which carries the idea of “missing the mark.” The imagery is that of an archer missing the target. Humanity was created to reflect God’s character and live in fellowship with Him, yet [sin](https://thebiblicalroots.org/encyclopedia/sin/) causes us to miss that purpose through both rebellion and failure. [sin](https://thebiblicalroots.org/encyclopedia/sin/) includes outward actions, but it also includes inward corruption—our thoughts, desires, motives, pride, hatred, greed, lust, unbelief, and rejection of God Himself (Mark 7:20–23). The Bible also teaches that [sin](https://thebiblicalroots.org/encyclopedia/sin/) is bigger than merely violating the [law of Moses](https://thebiblicalroots.org/encyclopedia/law-of-moses/). This is an important point because some people define [sin](https://thebiblicalroots.org/encyclopedia/sin/) too narrowly. Certainly, for Israel under the old [covenant](https://thebiblicalroots.org/encyclopedia/covenant/), breaking the Mosaic law was sinful. But [sin](https://thebiblicalroots.org/encyclopedia/sin/) existed long before Mount Sinai. Paul explicitly says, “[sin](https://thebiblicalroots.org/encyclopedia/sin/) indeed was in the world before the law was given” (Rom. 5:13). We see [sin](https://thebiblicalroots.org/encyclopedia/sin/) in Genesis long before Moses ever lived: Cain’s murder of Abel (Gen. 4:7–8), the wickedness of Sodom (Gen. 18:20), and Joseph recognizing adultery as “[sin](https://thebiblicalroots.org/encyclopedia/sin/) against God” centuries before Sinai (Gen. 39:9). This means [sin](https://thebiblicalroots.org/encyclopedia/sin/) cannot simply be reduced to violating the Mosaic [covenant](https://thebiblicalroots.org/encyclopedia/covenant/). Otherwise Adam and Eve never sinned, because they broke no Mosaic commandment. Nor would the Gentile nations have been guilty before God, since they were never under Israel’s [covenant](https://thebiblicalroots.org/encyclopedia/covenant/) law. Yet Scripture plainly teaches that all humanity stands guilty before God because all humanity sins (Rom. 3:9–23). This helps explain 1 John 3:4: > “Everyone who makes a practice of sinning also practices lawlessness; [sin](https://thebiblicalroots.org/encyclopedia/sin/) is lawlessness.” The Greek word translated “lawlessness” is *anomia* (ἀνομία). It carries the broader sense of rebellion, disregard for God’s authority, and refusal to submit to His will. John is not merely saying that [sin](https://thebiblicalroots.org/encyclopedia/sin/) equals violating the specific commands of the Sinai [covenant](https://thebiblicalroots.org/encyclopedia/covenant/). He is describing the deeper posture behind [sin](https://thebiblicalroots.org/encyclopedia/sin/) itself: rebellion against God. Theologically, [sin](https://thebiblicalroots.org/encyclopedia/sin/) is both an action and a condition. We commit sins because we are sinners by nature (Ps. 51:5; Eph. 2:1–3). Since the fall of Adam, humanity’s nature has been corrupted by [sin](https://thebiblicalroots.org/encyclopedia/sin/). This does not mean people are as evil as they possibly could be, but it does mean [sin](https://thebiblicalroots.org/encyclopedia/sin/) affects every aspect of human existence—our minds, desires, relationships, and wills. The Bible teaches that apart from God’s [grace](https://thebiblicalroots.org/encyclopedia/grace/), human beings are spiritually dead and unable to reconcile themselves to Him (Rom. 8:7–8). Scripture also distinguishes between intentional and unintentional sins. Under the old [covenant](https://thebiblicalroots.org/encyclopedia/covenant/) sacrificial system, offerings were made even for sins committed unintentionally (Lev. 4:1–2). This shows that [sin](https://thebiblicalroots.org/encyclopedia/sin/) is not merely about conscious acts of rebellion. We often fail God in ways we do not even recognize. David prayed, “Declare me innocent from hidden faults” (Ps. 19:12). Ultimately, the seriousness of [sin](https://thebiblicalroots.org/encyclopedia/sin/) is seen most clearly at the cross. [sin](https://thebiblicalroots.org/encyclopedia/sin/) is not a minor flaw or a cosmic bookkeeping error. It is so serious that the Son of God entered human history, took on flesh, and died to atone for it (Isa. 53:5–6; 2 Cor. 5:21). The cross reveals both the holiness of God and the depth of His love toward sinners. The good news of Christianity is not that good people make themselves righteous through moral improvement. The [gospel](https://thebiblicalroots.org/encyclopedia/gospel/) is that sinners are forgiven and reconciled to God through [faith](https://thebiblicalroots.org/encyclopedia/faith/) in Jesus Christ (Rom. 5:8–11). ### Key Scriptures to Study - Romans 3:23 — All people have sinned and fall short of God’s glory. - 1 John 3:4 — [sin](https://thebiblicalroots.org/encyclopedia/sin/) is lawlessness and rebellion against God. - Mark 7:20–23 — [sin](https://thebiblicalroots.org/encyclopedia/sin/) flows from the human heart. - James 4:17 — Failing to do the good we know we should do is also [sin](https://thebiblicalroots.org/encyclopedia/sin/). - Romans 5:12–13 — [sin](https://thebiblicalroots.org/encyclopedia/sin/) existed before the [law of Moses](https://thebiblicalroots.org/encyclopedia/law-of-moses/) was given. - Genesis 4:7 — [sin](https://thebiblicalroots.org/encyclopedia/sin/) is already present and active in the earliest chapters of Scripture. - Psalm 51:5 — Humanity is sinful by nature. - Ephesians 2:1–3 — Apart from Christ, humanity is spiritually dead in [sin](https://thebiblicalroots.org/encyclopedia/sin/). ### Objections & Misconceptions **Common Objection:** “Isn’t [sin](https://thebiblicalroots.org/encyclopedia/sin/) just breaking the [law of Moses](https://thebiblicalroots.org/encyclopedia/law-of-moses/)?” **Response:** Breaking the Mosaic law was certainly sinful for those under that [covenant](https://thebiblicalroots.org/encyclopedia/covenant/), but [sin](https://thebiblicalroots.org/encyclopedia/sin/) is broader than that. Scripture teaches that [sin](https://thebiblicalroots.org/encyclopedia/sin/) existed before Moses and before Sinai (Rom. 5:13). At its core, [sin](https://thebiblicalroots.org/encyclopedia/sin/) is rebellion against God Himself. **Common Objection:** “Aren’t people basically good?” **Response:** Humans still bear God’s image and are capable of real kindness and moral behavior (Gen. 1:27). But Scripture teaches that [sin](https://thebiblicalroots.org/encyclopedia/sin/) has corrupted every part of human nature (Rom. 3:10–18). Our problem is deeper than isolated bad actions; it is a fallen condition of the heart. **Common Objection:** “If God is loving, why does He care so much about [sin](https://thebiblicalroots.org/encyclopedia/sin/)?” **Response:** Because God is holy and just. [sin](https://thebiblicalroots.org/encyclopedia/sin/) destroys people, corrupts creation, and separates humanity from God. A God who ignored evil entirely would not be loving or righteous. **Common Objection:** “Are all sins equal?” **Response:** All [sin](https://thebiblicalroots.org/encyclopedia/sin/) separates us from God and makes us guilty before Him (James 2:10), but Scripture also recognizes degrees of seriousness and accountability (John 19:11; Luke 12:47–48). ### Why This Matters Understanding [sin](https://thebiblicalroots.org/encyclopedia/sin/) correctly is essential because it explains why humanity needs salvation in the first place. If [sin](https://thebiblicalroots.org/encyclopedia/sin/) is merely ignorance or moral imperfection, then humanity simply needs education or self-improvement. But if [sin](https://thebiblicalroots.org/encyclopedia/sin/) is rebellion against a holy God, then we need forgiveness, reconciliation, and redemption. A weak view of [sin](https://thebiblicalroots.org/encyclopedia/sin/) inevitably produces a weak view of the cross. The more clearly we understand the depth of human sinfulness, the more clearly we see the necessity and beauty of Christ’s sacrifice for sinners. ### Recommended Resources - *Mere Christianity* by C. S. Lewis - *The Freedom of Self Forgetfulness* by Timothy Keller - *The Holiness of God* by R. C. Sproul - *Not the Way It’s Supposed to Be* by Cornelius Plantinga Jr. - *Christian Dogmatics* edited by Carl E. Braaten and Robert W. Jenson - *The Bondage of the Will* by Martin Luther