How should Christians respond to relativism?

Relativism is rarely a carefully argued philosophy for the people you talk to; it is simply the water they swim in, absorbed from movies, classrooms, and casual conversation long before anyone examined it. That means the first step in responding well is understanding, not contempt. Most people who say "truth is whatever works for you" are not trying to be nihilists — they are often trying to be kind, having watched certainty get weaponized to hurt people. Christians who approach relativism with a scowl instead of compassion have already lost the conversation before it begins.

It also helps to remember that Scripture predicts a world exactly like this one. Paul warned that in the last days people would be "always learning and never able to arrive at a knowledge of the truth" (2 Timothy 3:7), swept along by whatever teaching happens to be fashionable at the moment. Recognizing relativism as a symptom of a much older spiritual condition, rather than a brand-new problem unique to our generation, keeps Christians from panicking as though the church has never faced anything like it before, and frees us to respond with the same patient confidence believers have always needed.

Jesus himself frequently answered questions with questions, drawing people to examine their own assumptions rather than simply lecturing them (Matthew 22:41-46). Paul followed a similar pattern at the Areopagus in Athens, engaging the philosophical culture around him respectfully, even quoting the Athenians' own poets, before presenting the gospel (Acts 17:22-28). Ask a relativist friend genuine questions: "Do you believe it was truly wrong for someone to commit genocide, or just wrong according to their culture?" Most people, when pressed, admit they believe some things really are wrong for everyone, everywhere. That admission is worth far more than a lecture.

Relativism is self-refuting — the claim "there is no absolute truth" is itself an absolute claim. Pointing this out can be done with genuine warmth rather than a gotcha spirit. Paul describes the Christian task as "destroy[ing] arguments and every lofty opinion raised against the knowledge of God" (2 Corinthians 10:5), but Peter immediately qualifies how that should be done: with "gentleness and respect" (1 Peter 3:15). The goal is never to humiliate someone into silence; it is to help them see the ground is not as solid as they thought, so they will keep listening.

This kind of gentle exposure works best in the middle of an actual friendship rather than a formal debate. Few people change their mind because they lost an argument in front of witnesses; most change slowly, turning ideas over in private long after the conversation has ended. Plant the question kindly, walk away from the need to "win," and trust that the Holy Spirit can use even a small crack in a person's certainty to do a deep and lasting work over months or years.

Paul writes that even people who have never read Scripture carry the work of God's law "written on their hearts, their conscience also bearing witness" (Romans 2:14-15). This means every relativist you meet already has a functioning moral compass they did not choose to have and cannot fully suppress — they get outraged at injustice, they expect fairness, they believe cruelty is really wrong. You can gently appeal to that built-in conscience as evidence that real, universal moral truth exists, whether or not someone's stated philosophy admits it.

Winning a philosophical point about relativism is not the finish line; it is only a doorway. Paul reminds the Corinthians that he did not come to them "with lofty speech or wisdom" but relied on "the Spirit and of power," so that faith would rest "not in the wisdom of men but in the power of God" (1 Corinthians 2:1-5). Eventually, the conversation needs to move from abstract philosophy to the concrete person of Jesus — the truth relativism cannot argue away, who said the truth would set people free (John 8:32).

Very few people abandon a worldview after a single conversation, no matter how airtight the logic. Responding to relativism well usually looks like patient friendship over time — walking "in wisdom toward outsiders," letting your speech "always be gracious, seasoned with salt" (Colossians 4:5-6), and praying steadily for someone whose entire framework for reality may need to shift slowly rather than all at once. Confident truth, offered with consistent kindness across years rather than a single winning argument, is usually what actually moves someone toward Christ.