Old Testament
Deuteronomy 5:18
Read the Bible in clear, modern English—easy to understand, faithful to the meaning, and written for everyday readers.
"You must not commit adultery.
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Neither shalt thou commit adultery.
What Deuteronomy 5:18 means
Plain-English insight for readers
Adultery is more than just a physical act; it represents a betrayal of trust and commitment. When someone engages in adultery, they break the bond of loyalty that should exist in a marriage. This commandment emphasizes the importance of faithfulness in relationships. It serves as a reminder that love requires dedication and respect. By avoiding adultery, individuals protect not only their own hearts but also the hearts of their partners. This commandment encourages us to value the promises we make to one another. It highlights the significance of building strong, honest connections that can withstand temptation. Ultimately, this principle fosters a sense of security and stability in our relationships, allowing love to flourish. Adultery can lead to deep emotional pain and broken families, making this commandment vital for a harmonious society. Upholding this value helps create a culture of trust and integrity, where relationships can thrive without fear of betrayal.
How to apply Deuteronomy 5:18 to your life
To apply this commandment, focus on nurturing your relationships with honesty and respect. Communicate openly with your partner and prioritize their feelings. Establish boundaries that protect your relationship from outside temptations. Remember, loyalty is a choice that strengthens your bond over time. Make faithfulness a daily commitment in your life and relationships.
Curated for this public verse page. Deuteronomy Summary
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Illustrated scene from Moses's story: The Ten Commandments (Deuteronomy 5:1–33)
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Moses

Photo: U.S. Army photo by Spc. Samantha R. Ciaramitaro, via DVIDS and Wikimedia Commons. License: Public domain in the United States — U.S. federal-government work. Source. Location: Great Ziggurat, Ur Archaeological City (Tell el-Mukayyar), Dhi Qar Governorate, Iraq. Resized for the web.
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Ur
The city Abram's family left to travel toward Canaan.
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At a Glance — the Book of Deuteronomy
- Author
- Traditionally attributed to Moses
- Written
- Around 1400 BC
- Genre
- Law (Pentateuch)
- Original Audience
- The Israelites about to enter the Promised Land
Frequently Asked Questions
Quick, clear answers about this verse
What does Deuteronomy 5:18 mean?
Deuteronomy 5:18 means that individuals should remain faithful to their spouses and not engage in adultery. This commandment highlights the importance of loyalty and trust in marriage, emphasizing that betrayal can harm relationships and families.
What is the meaning of adultery in Deuteronomy 5:18?
In Deuteronomy 5:18, adultery refers to a breach of the marital bond through sexual relations with someone other than one's spouse. It signifies a violation of trust and commitment that can lead to emotional pain and broken families.
How can I apply Deuteronomy 5:18 in my life?
To apply Deuteronomy 5:18, focus on building a strong, honest relationship with your partner. Communicate openly, set boundaries to protect your relationship, and make a daily commitment to loyalty and respect.
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