What Does Leviticus 20:10-21 Mean?
The law in Leviticus 20:10-21 defines God’s strict standards for sexual purity and family integrity within the community of Israel. It lists specific acts - like adultery, incest, and other sexual sins - and commands severe consequences to maintain holiness and prevent moral corruption among the people.
Leviticus 20:10-21
“If a man commits adultery with the wife of his neighbor, both the adulterer and the adulteress shall surely be put to death. If a man lies with his father's wife, he has uncovered his father's nakedness; both of them shall surely be put to death; their blood is upon them. If a man lies with his daughter-in-law, both of them shall surely be put to death; they have committed perversion; their blood is upon them. If a man lies with a male as with a woman, both of them have committed an abomination; they shall surely be put to death; their blood is upon them. If a man takes a woman and her mother also, it is depravity; he and they shall be burned with fire, that there may be no depravity among you. If a man lies with an animal, he shall surely be put to death, and you shall kill the animal. If a woman approaches any animal and lies with it, you shall kill the woman and the animal; they shall surely be put to death; their blood is upon them. “If a man takes his sister, a daughter of his father or a daughter of his mother, and sees her nakedness, and she sees his nakedness, it is a disgrace, and they shall be cut off in the sight of the children of their people. He has uncovered his sister's nakedness, and he shall bear his iniquity. If a man lies with a woman during her menstrual period and uncovers her nakedness, he has made naked her fountain, and she has uncovered the fountain of her blood. You shall not uncover the nakedness of your mother's sister or of your father's sister, for that is to make naked one's relative; they shall bear their iniquity. If a man lies with his uncle's wife, he has uncovered his uncle's nakedness; they shall bear their sin; they shall die childless. If a man takes his brother's wife, it is impurity. He has uncovered his brother's nakedness; they shall be childless.
Key Facts
Book
Author
Moses
Genre
Law
Date
circa 1440 BC
Key People
- Moses
- The Israelites
- God (Yahweh)
Key Themes
- Holiness and purity
- Covenant faithfulness
- Divine judgment on sexual sin
- Separation from pagan practices
Key Takeaways
- God demands sexual purity to protect covenant and community.
- Serious sins require serious consequences to preserve holiness.
- Holiness means being set apart for God’s design.
Understanding the Holiness Code in Context
These laws are not random rules but part of a larger vision for God’s people to live as holy, set apart for Him.
They come from what scholars call the Holiness Code, mainly in Leviticus 18 - 20, given to Israel after they left Egypt and were forming a new life as God’s chosen nation. At that time, surrounding nations often mixed worship with sexual rituals, incest, and idolatry, so God gave clear boundaries to protect Israel’s spiritual and social health. These commands were meant to shape a community that reflected God’s purity and order, not the chaos of the pagan cultures around them. These laws were intended to create a society that respects life and family, like a house built on a solid foundation.
The phrase 'they shall be cut off from among their people' (Leviticus 20:17‑18) refers to divine judgment, indicating that God removes them from His covenant people, not merely human execution. Breaking these laws was not only a societal crime; it also broke the relationship between God and His people. Holiness here means being set apart and living according to God’s design for life, marriage, and family, not merely being religious or perfect.
While these penalties may seem harsh today, they reflect how seriously God takes the protection of human dignity and the sacredness of relationships. The goal wasn’t punishment for its own sake, but preservation of a community where God could dwell among them in holiness.
The Weight of Holiness: Understanding God's Standards for Sexual Purity
These sexual conduct laws aim to protect the sacred order God intended for His people, not only personal morality.
The command in Leviticus 20:10 that both the adulterer and adulteress 'shall surely be put to death' shows how seriously Israel was to guard the covenant of marriage, which reflected God’s own faithfulness. In the ancient world, adultery broke not only trust between people but disrupted family lines and social stability. Other nations like Babylon and Assyria also punished adultery, but often with unequal consequences - especially harsher for women. Here, both parties face the same penalty, showing a shared responsibility and a higher standard of justice.
Terms such as 'abomination' (to'evah) and 'perversion' (tebel) describe acts that are deeply offensive to God’s created order, not merely wrong. 'Abomination' often refers to things that defile the community’s holiness, like idol worship or moral corruption, while 'perversion' implies a twisting of the natural design God established. The phrase 'their blood is upon them' means they are fully responsible for their actions, and the punishment follows from rejecting God’s clear boundaries. These laws were meant to set Israel apart from surrounding nations where such acts were often tied to pagan rituals or royal practices.
While the death penalty may seem extreme today, it underscores that these acts were seen as threats to the community’s spiritual and moral health - like removing a disease to protect the whole body. In ancient Israel, the law aimed to preserve holiness so that God could dwell among His people, not merely to punish. Other ancient codes, like the Code of Hammurabi, also had strict sexual laws, but often protected social status more than sacred values. The focus here is on covenant faithfulness and the sanctity of life, not merely order. The goal was not cruelty but cleansing, so that Israel would remain a people set apart for God.
These laws point to a deeper need: transformed hearts rather than mere external obedience, as God will write on the human heart, not on stone (Jeremiah 31:33).
Jesus and the Law: Fulfilling the Call to Holiness
These laws reveal God’s desire for a people set apart by transformed hearts, not merely by rules.
Jesus affirmed the permanence of marriage when he said, 'Therefore what God has joined together, let no one separate' (Matthew 19:4-6), showing that the sanctity of marriage in Leviticus still matters because it reflects God’s original design. While he did not address every specific law like incest or bestiality, his life upheld the holiness and purity God required, living fully as the faithful image of God. In doing so, Jesus fulfilled the law not by abolishing it, but by embodying its true meaning - love for God and neighbor lived in complete obedience.
The New Testament makes clear that Christians are no longer under the death penalties of the Old Covenant, but are called to holiness in a new way - through the Spirit, not the sword, as Paul teaches that we are set apart by grace, not governed by the letter of the law.
Living the Law Today: Sexual Purity in Light of the Whole Bible
The moral standards in Leviticus are not abandoned in the New Testament but reaffirmed with a new way of enforcement - through church discipline and heart transformation rather than civil penalties.
Paul condemns incest in 1 Corinthians 5:1, saying, 'It is actually reported that there is sexual immorality among you, and of a kind that is not even tolerated among pagans, for a man has his father’s wife,' showing that sexual purity remains vital for the church. In 1 Corinthians 6:9-10, he warns, 'Do not be deceived: Neither the sexually immoral nor idolaters nor adulterers... will inherit the kingdom of God,' making clear that these ancient boundaries still reflect God’s unchanging holiness.
Romans 1:26-27 echoes Leviticus 20:13 by stating, 'For this reason God gave them over to shameful passions: Even their women exchanged natural sexual relations for unnatural ones. In the same way the men also abandoned natural relations with women and were inflamed with lust for one another,' confirming that same-sex relations are still seen as contrary to God’s design. While the method shifts from capital punishment to loving correction within the body of Christ, the standard of purity remains. The timeless call is to honor God with our bodies - whether in marriage, singleness, or community - because our lives are not our own, but bought with a price.
Application
How This Changes Everything: Real Life Impact
I once heard from a woman who grew up in a home where betrayal was normal - her father had an affair, and no one ever spoke of it. When she read these verses in Leviticus, she didn’t feel condemned, but seen. She realized that God cared about the pain she carried, that He didn’t shrug at brokenness but called it what it was: a wound against His design. That truth brought her both sorrow and relief - sorrow for how much damage sin causes, but relief that there’s a God who sets boundaries not to trap us, but to protect us. Now, when she’s tempted to justify small compromises in her own relationships, she remembers: holiness isn’t cold rules - it’s love with boundaries, guarding what matters most.
Personal Reflection
- Where in my life am I treating God’s standards for sexuality and family lightly, as outdated or extreme?
- How does knowing that God takes broken relationships seriously change the way I handle my own choices or respond to others’ struggles?
- If my body belongs to God, not to me, how should that shape my thoughts, habits, and relationships this week?
A Challenge For You
This week, choose one area where you’ve been passive about sexual purity - maybe in what you watch, who you flirt with, or how you handle conflict in marriage - and bring it into the light. Talk to a trusted friend or pray about it daily. Read Leviticus 20:10‑21 and Matthew 5:27‑28 together and ask God to help you value His design for relationships in both action and heart.
A Prayer of Response
God, I confess I’ve sometimes treated Your commands as harsh or irrelevant, especially when they touch my desires or relationships. But today I see that You give boundaries because You love us. Thank You for protecting marriage, family, and human dignity. Forgive me for the times I’ve ignored Your wisdom or dismissed Your holiness. I ask You to cleanse my heart and help me honor You with my body, not out of fear, but out of love for who You are.
Related Scriptures & Concepts
Immediate Context
Leviticus 20:9
Precedes the passage by establishing the death penalty for cursing parents, setting a tone of honoring family and authority.
Leviticus 20:22
Follows with a call to keep God’s decrees, linking obedience to holiness and possession of the Promised Land.
Connections Across Scripture
Matthew 5:27-28
Jesus deepens the law on adultery, showing that purity begins in the heart, not just in action.
Ephesians 5:3-5
Paul commands sexual purity in the church, reflecting Levitical holiness under the New Covenant’s spiritual standard.
Jude 1:7
References Sodom’s sexual immorality as divine judgment, aligning with Leviticus’ warnings on unnatural acts.