What repent actually means
Repent renders the Greek metanoia, built from meta (change) and noeo (to perceive, to think). It describes reversing your thinking and then your course, the way a city might rescind a decree it passed the day before. Regret can accompany it. The word itself asks for a turnaround, not an emotion.
Where the word comes from
Thucydides gives us one of the cleanest pictures of the word in ordinary use. In 427 BC the Athenian assembly voted to execute every adult male in Mytilene and sent a ship to carry out the order. The next morning, he writes, a metanoia came over them. They reopened the debate, reversed the decree, and sent a second ship rowing flat out to overtake the first. Nobody in that story was weeping over their moral condition. They had changed their minds, and a boat left the harbor because of it.
The parts of the word say the same thing. Meta carries the sense of change or afterward; noeo covers perceiving, thinking, working something out. Metanoia is what happens after you see the situation differently. The Greek translators of the Hebrew scriptures mostly kept it separate from shuv, the Hebrew verb for turning around and going back, which they usually rendered with epistrepho. Metanoeo tended to land on nacham, the verb used when God relents or a person is sorry. So the New Testament word arrived carrying two histories at once: a Greek word about revised thinking, used by preachers whose native category was the physical about-face of shuv.
The English word came from somewhere else entirely. Jerome rendered metanoeite in Latin as paenitentiam agite, do penance, and paenitere means to cause regret. Old French turned that root into repentir, and English took it as repent. So the English verb was built on the regret family while the Greek verb was built on the thinking family. Erasmus flagged this in his 1516 Greek New Testament and printed resipiscite instead, roughly come back to your senses. Luther read the annotation, and the first of his ninety-five theses in 1517 turned on exactly that point.
Why "repent" gets in the way
The word arrives in English wearing a sandwich board. It has collected a street corner, a raised voice, and a settled assumption that what is being demanded is feeling bad about yourself. Matthew 4:17 is an announcement in Greek, the opening line of a public campaign, and in most English Bibles it reads as an accusation delivered to strangers.
The emotional reading collapses under the text itself. When John the Baptist is asked what this looks like in practice, he does not tell anyone to feel worse. He tells the crowd to hand over a spare coat, tells tax collectors to stop overcharging, and tells soldiers to stop shaking people down. Paul makes the distinction explicit in 2 Corinthians 7:10, where grief is what produces metanoia. If metanoia already meant grief, the sentence would be saying that grief produces grief.
There is also four hundred years of argument stuck to the English word. Repentance and penance share a Latin parent, and Reformation-era fights over confession, absolution and satisfaction left residue on the term that a reader today inherits without asking for it. A word that started out meaning "we have reconsidered" now arrives sounding like a demand for religious paperwork.
What this translation prints instead
The NGET does not use one English word for metanoia, because the Greek does different work in different settings. Where a whole worldview is being overturned, it prints "rethink everything." Matthew 4:17 reads "Rethink everything," followed by the announcement that God's kingdom is here now. Paul at Athens tells the crowd God is commanding everyone everywhere to rethink everything, and in Romans 2:4 God's kindness is what leads a person there.
Where the text is calling for a decision and an action, it prints "completely change direction." Peter says it at Pentecost in Acts 2:38. The twelve preach it in Mark 6:12. In restoration settings the phrasing follows the person rather than the command: in Luke 15:7 heaven throws a party over one person who "changes the direction of their life." Acts 13:24 describes what John preached as a submersion of complete life-change.
The negative form gets the same treatment so the connection stays audible. Romans 2:5 describes people who "refuse to change direction," which is what the Greek ametanoetos does with its negating prefix. And epistrepho is kept distinct rather than blended in. Acts 3:19 prints both verbs side by side, "rethink everything and turn back to God," so a reader can see that the passage names an internal change and an external one.
Read it in place
So let's move past the basics about The One and push toward maturity. We don't need to keep laying the same foundation over and over — completely changing direction from actions that lead to death, and trust in God,
Hebrews 6:1
Questions people ask
What does repent mean in the Bible?
It means to change your mind so thoroughly that your direction changes with it. The Greek metanoia is about revised thinking that produces different behavior. Biblical writers treat the evidence as external: John the Baptist answers the question "what should we do" with instructions about coats, money and the abuse of authority, not with instructions about how to feel.
What does repent mean in Greek?
Metanoia combines meta (change, after) with noeo (to perceive or think), so the base sense is thinking differently once you have seen something you had missed. Classical Greek used it for ordinary reversals of policy and plan. Nothing in the Greek word itself specifies sorrow, guilt or a religious ritual; those associations came into English through the Latin word for regret.
What does repent mean in Hebrew?
Hebrew mostly uses shuv, the everyday verb for turning around and going back the way you came. It is what you do on a road, and the prophets apply it to a nation walking away from God. A second verb, nacham, covers relenting or being sorry. Greek translators usually matched shuv with epistrepho and nacham with metanoeo.
Is repentance a one time thing?
The New Testament uses metanoia both ways. Acts 2:38 puts it at the start, as the response to an announcement. Luke 17:3 uses the same verb for an ordinary interpersonal repair that might happen several times in a day. Christian traditions differ sharply on how these fit together, and the vocabulary itself does not settle the question.
Do you have to repent to be saved?
The New Testament links the two closely. Peter pairs changing direction with submersion in Acts 2:38, and Paul tells the Athenians that God now commands everyone to rethink everything. What Christians disagree about is the mechanism: whether the change of direction is a condition, a consequence, or another way of describing trust. The word itself does not decide that argument.