The Bible uses some words for sin that nobody says out loud anymore. Iniquity. Transgression. Trespasses. Ungodliness. They sound like something out of a drama, and it’s easy to write the whole subject off as an old idea that doesn’t apply.
But this is one thing worth letting the Bible define for us, instead of deciding for ourselves what counts and what doesn’t.
Sin means missing what you were aiming at
The two words used most often are khata’ in Hebrew and hamartia in Greek. Both carry the same picture: to fail, to miss the target.
That’s a helpful image, because it reframes the question. Sin isn’t mainly about breaking a list of rules. It’s about aiming at the wrong thing, or aiming at the right thing and falling short.
Which raises the obvious question. What’s the target?
The target is God Himself
Plainly put, it’s what God has said. His standards, His commands, the way He designed things to work. Anything we do, or fail to do, that misses those things is sin.
In the Old Testament, God gave Israel the law as the standard (Deuteronomy 6:24–25). The Ten Commandments are the clearest version of it, and they split neatly in half. The first half covers ways we fail at loving God. The second half covers ways we fail at loving people.
Jesus said the same thing more simply:
One of them, an expert in the law, asked a question to test him: “Teacher, which command in the law is the greatest?” He said to him, “Love the Lord your God with all your heart, with all your soul, and with all your mind. This is the greatest and most important command. The second is like it: Love your neighbor as yourself. All the Law and the Prophets depend on these two commands.” (Matthew 22:35–40)
Love God. Love people. Every other command flows from those two.
What sin looks like in practice
Scripture describes it from a lot of angles:
- Doing what’s evil (Deuteronomy 32:5; Romans 7:21–24)
- Living as though God doesn’t matter (Jude 1:14–15)
- Holding down the truth when we know better (Romans 1:18)
- Saying false things about God (Hosea 7:13)
- Refusing to obey (Ephesians 5:5–6)
- Going our own direction instead of His (Isaiah 53:6)
What if the Bible doesn’t name it?
Some things Scripture addresses directly. When it calls something sin, that settles it, and our job is to agree rather than negotiate.
Other things it doesn’t mention. If Scripture doesn’t call something sin and it doesn’t cut against any biblical principle, you have freedom to work out your own convictions on it.
Where it started
Adam and Eve had one clear command from God, and they refused it (Genesis 3). That’s the origin point. Everything since traces back there.
And it didn’t stay with them. Paul puts it this way:
Therefore, just as sin entered the world through one man, and death through sin, in this way death spread to all people, because all sinned. (Romans 5:12)
What we received from Adam isn’t just a bad example to avoid. It’s a nature bent toward going our own way (Deuteronomy 9:7; Isaiah 30:9; Psalm 51:5; Ephesians 2:3). We don’t have to teach children to be selfish. It comes standard.
So who’s actually sinned?
Everyone.
For all have sinned and fall short of the glory of God. (Romans 3:23)
That’s not a claim about the worst people you can think of. It’s a claim about every person who has ever lived, including the ones we’d call good, including the ones who’d call themselves good. Nobody clears the bar.
Why this matters
Because sin costs something.
For the wages of sin is death. (Romans 6:23a)
Part of that is physical. All of us will die. But it runs deeper than that. Sin separates us from a God who is completely holy (Isaiah 6:3), and left alone, that separation is permanent.
That’s the honest diagnosis. It’s not comfortable, and it’s not meant to be.
What God did about it
Here’s where it turns.
God didn’t wait for us to fix this, and He didn’t lower the standard. He dealt with it Himself. Out of His own love and mercy, He sent Jesus to pay what we owed (Matthew 26:27–28; Romans 5:6–9; Ephesians 1:7). Jesus took the penalty so that sin and death no longer have the final say over us (1 John 1:7; Romans 6:18).
Nobody earns their way out of this. God rescues people, and what He asks in return is that we stop pretending we’re fine, turn around, and trust Jesus with it. When that happens, He makes us new (2 Corinthians 5:17). Not improved. New.
And following Jesus isn’t a performance you have to keep up. When we fall short, and we will, Jesus stands as our advocate. We tell Him the truth about what we’ve done, we get back up and follow Him, and He forgives (1 John 1:8–2:2).
Has God ever sinned?
No. God is entirely holy, sinless, and entirely good, and He isn’t capable of anything else (Habakkuk 1:13; Deuteronomy 32:4; Joshua 24:19; Isaiah 6:3).
Did Jesus ever sin?
No. He lived the life none of us could, without a single failure.
He did not commit sin, and no deceit was found in his mouth. (1 Peter 2:22)
He made the one who did not know sin to be sin for us, so that in him we might become the righteousness of God. (2 Corinthians 5:21)
That’s the whole exchange. He took what was ours. We received what was His.
Scripture quotations are taken from the Christian Standard Bible®, Copyright © 2017 by Holman Bible Publishers. Used by permission. Christian Standard Bible® and CSB® are federally registered trademarks of Holman Bible Publishers.
Content for this article was informed by resources from Got Questions Ministries (gotquestions.org), BibleProject, and Christianity.com.
