Deuteronomy 27:23 Meaning and Explanation
“Cursed be he that lieth with his mother in law. And all the people shall say, Amen.”
King James Version (KJV)
Read this verse in context with translation switching:
Read Full Chapter →Some wrongs can be hidden behind family proximity, private opportunity, or silence. This brief declaration brings such conduct into the open before God and Israel. It matters because families are entrusted places of kinship, marriage, protection, and honor, and covenant life calls the whole people to uphold those gifts.
Deuteronomy 27:23 publicly condemns sexual union with a mother in law. The covenant community accepts God's judgment because this act violates the ordered faithfulness and honor that should protect a household.
The Context of Deuteronomy 27:23
Moses and the elders command Israel as it prepares to cross the Jordan and enter the promised land. The law is to be written plainly on stones at mount Ebal, beside an altar where Israel will offer sacrifices and rejoice before the LORD. The Levites then pronounce covenant curses with a loud voice, and all Israel answers Amen. Verses 20 through 23 name prohibited sexual unions within the household and kinship circle. Verse 23 concludes that group, before the declarations turn to secret violence, hired killing, and the duty to confirm all the words of the law.
What Does Deuteronomy 27:23 Mean?
The phrase "lieth with" speaks plainly of a sexual union. A mother in law is joined to a household through marriage, so this act crosses a boundary that God has established around marriage and family relationships. The curse does not invite private speculation about another person's guilt. It declares God's settled opposition to the deed itself. In this setting, a curse is a solemn covenant judgment, identifying conduct that brings a person under God's righteous condemnation. Israel was being taught that sexual conduct belongs within moral obligations that honor God, marriage, parents, spouses, and the wider household. The public wording gives dignity to those relationships by refusing to treat their betrayal as a small or merely private matter.
The surrounding declarations show why Israel's common Amen is important. Some sins were easily concealed, especially where a family lived closely together and the injured person might have little public power. The assembly therefore acknowledges that God sees what human courts may not discover. This verse also belongs to a chapter that places law beside altar, burnt offerings, peace offerings, eating, and rejoicing before the LORD. Covenant obedience is not detached from worship. Israel receives the land as God's gift and is called to live there in a way that reflects his holiness. The verse guards a household from confusion and exploitation, while the larger chapter calls the nation to affirm the whole law rather than selecting only the commands that are convenient.
Leviticus gives the same prohibition in its instruction concerning sexual relations among close family connections, showing that this is an enduring moral concern within Israel's law. The Bible's wider witness honors marriage as a covenantal bond and calls God's people to faithfulness in the body. Jesus also treats the Creator's ordering of marriage with seriousness when he speaks of a man and his wife becoming one flesh. This verse does not need an artificial connection to Christ. Its honest Christian significance lies in the holy life to which he calls his followers, a life that honors persons rather than using family ties for desire, secrecy, or power. His mercy meets repentant sinners, and his teaching preserves the goodness of faithful marriage.
Bible Verses Related to Deuteronomy 27:23
“The nakedness of thy father’s wife shalt thou not uncover: it is thy father’s nakedness.”
- Leviticus 18:8
“And if a man take a wife and her mother, it is wickedness: they shall be burnt with fire, both he and they; that there be no wickedness among you.”
- Leviticus 20:14
“Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.”
- Matthew 19:6
“For this is the will of God, even your sanctification, that ye should abstain from fornication:”
- 1 Thessalonians 4:3
Where Deuteronomy 27:23 Echoes in Scripture
Leviticus 20:14 gives a closely related legal judgment concerning a man and a woman together with her mother. Its severity helps readers hear Deuteronomy 27:23 as part of a deliberate protection of household boundaries, rather than an isolated rule. Both passages place this matter within Israel's covenant holiness before the LORD.
How to Apply Deuteronomy 27:23 Today
This verse invites us to regard family trust as something precious before God. Homes, marriages, and extended family relationships need truthfulness, clear boundaries, and conduct that seeks another person's good. Where relationships are strained or vulnerable, wise restraint and honest accountability can help protect people from secrecy and harm. The congregation's Amen also teaches communal responsibility. We can foster settings where exploitation is neither excused nor concealed, where those who have been wronged are heard with care, and where repentance includes truthful acknowledgment and a changed course of life.
Reflection & Prayer
Where might our words, choices, or silences either strengthen or weaken the trust that families need? We may pray: "Holy God, teach us to honor the relationships you have given, to seek what is clean and faithful, and to bring hidden wrong into your light with repentance and truth."