Short answer: Yes. The Bible treats lying as sin, whether it is a courtroom perjury or a small white lie told to be polite. God cannot lie, He hates lying lips, and He calls His people to speak the truth. The good news is that lying, like every other sin, can be forgiven when we confess it and turn from it.
In This Article
Nearly everyone lies, and most of us do it so casually that we barely notice. We say we are fine when we are not. We inflate a story to sound better. We tell a friend we love the gift. We shade a number on a form. Because most small lies go undetected, they feel almost free.
That is exactly why the question is worth asking. If lying is as common as breathing, is it truly a sin, or just something people do? This article looks at what Scripture says, deals honestly with the hard cases people always bring up, and ends with how to stop.
What Does The Ninth Commandment Say?
The ninth of the Ten Commandments reads this way.
You shall not give false testimony against your neighbor.
Exodus 20:16 (NIV)
On its face this is about false witness in court, where a lie can cost a neighbor his property or his life. But the principle behind it is wider. The same law forbids deceiving one another in everyday dealings, and the rest of Scripture applies it to speech in general. If you want to see where this commandment sits among the rest, read The Ten Commandments: List, Meaning And Bible Verses.
The root of the matter is God's own character. He is not a liar, and sin is falling short of who He is.
God is not human, that he should lie, not a human being, that he should change his mind.
Numbers 23:19 (NIV)
Hebrews 6:18 says it is impossible for God to lie, and Titus 1:2 calls Him the God who does not lie. If sin is missing the mark of God's character, then telling a lie is plainly a miss. Jesus went further and named the origin of lying.
He was a murderer from the beginning, not holding to the truth, for there is no truth in him. When he lies, he speaks his native language, for he is a liar and the father of lies.
John 8:44 (NIV)
That is sobering. Lying is the devil's native language. A believer who lies is speaking in the wrong tongue.
The Book of Proverbs piles on. Proverbs 6:16-19 lists seven things the Lord hates, and a lying tongue and a false witness who pours out lies are both on the list. Proverbs 12:22 says the Lord detests lying lips and delights in people who are trustworthy. And the final book of the Bible warns, in Revelation 21:8, that unrepentant liars have no place in the new creation. That is a serious verse, and I do not soften it. It describes a settled life of deceit, not a Christian who stumbles and repents, but it tells us how seriously God takes the matter.
Are White Lies A Sin?
This is the question most people really want answered. Is it a sin to say the haircut looks great when it does not? To tell a child that a pet "went to live on a farm"? To say "I'm fine" when you are not?
I would say yes, a white lie is still a lie, and the Bible gives us no category of harmless falsehood. The old reasoning, that a small lie is excused because it is kind, runs into Paul's words.
Therefore each of you must put off falsehood and speak truthfully to your neighbor, for we are all members of one body.
Ephesians 4:25 (NIV)
Notice the reason: we are all members of one body. Lies damage trust, and trust is how a church, a family or a friendship holds together. Colossians 3:9 says plainly, "Do not lie to each other." No exceptions are listed.
But the other half of the command matters as much. Ephesians 4:15 calls us to speak the truth in love. Truth does not require bluntness, and kindness does not require falsehood. You can honor a friend without lying about the haircut, by saying something true that is also kind. You can decline to share a detail without deceiving anyone. Staying quiet is not the same as lying. Being silent about a private matter, keeping a surprise party secret, or refusing to answer a question you have no duty to answer is not sin. Lying is saying what you know to be untrue with the aim of making someone believe it.
| Situation | Lie | Truthful alternative |
|---|---|---|
| A friend asks about a gift you dislike | "I love it!" | "Thank you for thinking of me." |
| Someone asks how you are and you are struggling | "I'm fine." | "It's been a hard week. Can you pray for me?" |
| You are late because you overslept | "Traffic was terrible." | "I'm sorry. I overslept." |
| A salesperson presses you to buy | "I already have one." | "No, thank you." |
For related questions about speech, see Is Gossiping A Sin? and Is Cheating A Sin?
What About Rahab And The Hebrew Midwives?
The hardest cases come from Scripture itself. In Exodus 1, the Hebrew midwives disobey Pharaoh and save the baby boys, then tell him the Hebrew women give birth too quickly. In Joshua 2, Rahab hides the Israelite spies and tells the king's men that they have gone. In both stories God blesses the people involved. Doesn't that mean a lie can be right?
Christians have answered this in more than one way, and I want to give the views fairly.
- The lie was still wrong, but God honored the faith behind it. This is the view of Augustine and many others. The midwives and Rahab are commended for their courage and trust in God, not for the deception. Hebrews 11:31 and James 2:25 praise Rahab's faith and her welcome of the spies, and say nothing about her words to the king's men.
- The duty to protect life outweighs the duty to inform a murderer. Some argue that Scripture's command is against lying to harm or to gain, not against misleading someone who has no right to the truth and intends evil. They point to these stories as examples.
Here is how I read it. The Bible records these events without saying God approved of the falsehood. What it honors is the mercy and the faith. Those women trusted God more than the tyrant. I would be cautious about building a general permission to lie on a handful of dramatic wartime stories. They are exceptions that sit under extreme pressure, and they do not describe the lie you told your boss last Tuesday. In ordinary life, the clear command stands.
Will God Forgive Lying?
Yes. Lying is serious, but it is not unforgivable. Peter denied Jesus three times, which was lying in the most painful circumstances, and Jesus restored him. David lied and deceived to cover his sin with Bathsheba, and when he finally confessed, God forgave him. The pattern is the same.
If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.
1 John 1:9 (NIV)
Confession means calling the lie what it is, not explaining it away. Where you can, make it right with the person you deceived. If you have not been caught, I would still say tell the truth when it is possible to do so. For the larger picture of how God handles sin that we repent of, see Does God Forgive All Sins? and How To Repent.
People also ask which sin is the worst. Scripture does not rank lying as the single worst sin, but it does not excuse it either. I deal with that wider question in The Greatest Sin In The Bible.
How Do You Stop Lying?
Habitual lying is hard to break, partly because it often works in the short term. Here is a path that fits what Scripture teaches.
- Name it. Admit to God that you lie, and say which kinds. Exaggeration, avoiding conflict, protecting your image: each has its own root.
- Find the fear underneath. Most lies protect something, such as our reputation, our comfort or our relationships. Ask what you are afraid of losing, and bring that to God.
- Pause before you speak. A moment of delay turns a reflex into a choice. Ask whether what you are about to say is true.
- Replace the lie with a true sentence. Decide ahead of time what you will say when you are asked an awkward question.
- Confess and repair. When you slip, say so quickly. The sooner you correct a lie, the less it grows.
- Ask for help. A trusted believer can hold you accountable, and the Spirit who produces truthfulness will help you.
Paul's picture in Colossians 3 is of an old self taken off like a worn garment, and a new self being renewed in the image of its Creator. Truthfulness is part of that new clothing. You will not be perfect at once, but the direction matters.
Key Bible Verses About Lying
- Exodus 20:16: the ninth commandment forbids false testimony.
- Proverbs 12:22: the Lord detests lying lips and delights in the trustworthy.
- Proverbs 6:16-19: a lying tongue is among the things the Lord hates.
- Colossians 3:9: do not lie to each other, because you have taken off the old self.
- Ephesians 4:25: put off falsehood and speak truthfully to your neighbor.
- John 8:44: the devil is the father of lies.
- Proverbs 21:6: a fortune made by a lying tongue is a fleeting vapor.
- 1 John 1:9: God forgives and cleanses when we confess.
Frequently Asked Questions
Is it a sin if I lie?
Yes. Scripture says God cannot lie, that He detests lying lips, and that believers are to put off falsehood and speak truthfully. Small lies are still lies. But forgiveness is real when you confess and turn from it.
What is the #1 worst sin?
The Bible does not name lying as the worst, and it does not rank every sin on one list. The sin the Bible says will not be forgiven is a persistent, hardened rejection of Christ, which Jesus describes as blasphemy against the Holy Spirit. See The Greatest Sin In The Bible.
Is saying "Oh my god" a sin?
Using God's name carelessly breaks the third commandment, so I would avoid it. The issue is treating His name lightly, not any specific phrase. I wrote more in Is Saying Oh My God A Sin?
Can a lie ever be right, like hiding people from a murderer?
Christians differ here. Some say the lie is still wrong though God honors the faith behind it, as with Rahab. Others say there is no duty to give the truth to someone planning murder. Either way, ordinary convenience lies are not covered.
Is staying silent the same as lying?
No. Lying is stating something you know is untrue so that someone believes it. Keeping a private matter private, or not volunteering information you have no duty to share, is not deception.
