Underdog Stories / Everyday expressions

What Does “Knocking on the Devil’s Door” Mean?

The knocking on the devil's door meaning and origin lead from a warning about repeated risks to old church doorways with a much newer name.

By Brett Hanson · Underdog Podcasts · October 21, 2026

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In Appraise the Phrase, Twenty hears the episode title and stops short. He thought the door belonged to heaven. Mario Hines tells him to hold that thought. A guest then supplies the line that gives the episode its warning: “Keep knocking on the devil’s door long enough, and sooner or later somebody gonna answer you.”

The knocking on the devil’s door meaning is plain enough: keep courting trouble, and trouble may arrive. Its origin is less plain. English churches have north doorways called “Devil’s Doors,” yet research dates the widespread use of that name to the 19th century. No evidence in the episode proves the warning began at one of those church doors.

What does knocking on the devil’s door mean?

Angie, a guest on the episode “Knocking On The Devil’s Door,” puts it in terms she hears closer to home: “You looking for trouble, you gonna go find it.” In her account, the key is going back. Someone knows a choice is risky, makes it anyway, then returns for another try.

Twenty gets to much the same answer once he moves past heaven’s door. He pictures someone close to going too far, with consequences waiting just beyond the next step. That next step has a name. The phrase gives it a handle and hinges, making risk feel like somewhere you can walk right up to.

Rello remembers his grandmother warning him about doors that might get answered. He knew she meant he would dislike whoever came out. Kunda recalls older women in his neighborhood using a similar warning. Their memories give the saying a life beyond the episode’s movie clip, even though neither pins down when it first appeared.

That distinction matters. The phrase does not say every risk is foolish. Mario says he takes risks himself. What troubles him is the person who keeps pushing because they assume nobody will answer. The door opens, in his telling, and the person is surprised there was anyone inside.

Imagine someone who keeps starting a fight in a group chat, sure the others will let it slide. Mario puts a version of that choice to his guests when he asks which tempting trouble they return to. The warning fits the repeat visit better than the first knock.

Where did the Devil’s Door in English churches come from?

The physical door is the odd part of this story. Some old English churches have an opening in the north wall that was later filled in. From a distance, it can look like an arch framing a patch of wall. At St Nicholas’ Church in Worth, West Sussex, Historic England records a filled north doorway known as the Devil’s Door.

Mario describes those blocked openings to the group. Twenty immediately imagines a far more dramatic use: a place where a misbehaving person might wait to see if the devil answers. Mario plays along with the picture of someone testing the handle. It gets a laugh. Then he brings them back to church design.

Geoffrey Sedlezky studied the positions of doorways in English medieval parish churches and chapels. His research traces a change in church plans: buildings from the seventh through tenth centuries tended to have one western entrance, while many built in the eleventh and twelfth centuries had opposing north and south doors. He argues that worship and movement through the building help explain the change.

That does not give every north doorway one fixed job. A church could change over centuries, and a doorway might be closed long after it was built. Sedlezky began his research by asking why so many openings had been blocked. People he met pointed to some of them and supplied the name “Devil’s Door.” The label had outlasted any easy answer about the brickwork.

You can still find the name attached to a specific place. Historic England’s listing for St Peter and St Paul in Broadhempston, Devon, describes a so-called devil’s door in the north aisle. It also records a south porch and changes made during a restoration in 1896–98. The building has its own long history; the name alone cannot tell all of it.

Why was a north church door called the Devil’s Door?

One story says the devil needed a way out during a baptism. Historic England gives that as a common theory for the name at Worth and says the name’s origins are disputed. The story is easy to picture. Proving that medieval builders made a north door for that purpose is another matter.

Sedlezky reaches a careful conclusion: the widespread idea of a “Devil’s Door” developed in the 19th century, though it drew on late medieval worship. The walls may be old. The familiar explanation of their name is much newer. That leaves room for local beliefs without turning every bricked-up arch into proof of one medieval rule.

“You looking for trouble, you gonna go find it.”
— Angie, on Appraise The Phrase

Mario’s account separates the door from the name, too. He tells Twenty that these openings were tied to movement through churches, including processions. Twenty wonders if the devil was added to frighten people. It is a good guess for a conversation, though the research does not establish a campaign to scare churchgoers into behaving.

Angie takes the doorway in another direction. She says doors can carry spiritual meaning in her family’s traditions, where a closed bedroom door can feel protective. She offers that as a way people understand doors, not as a claim about what English church builders intended. The difference is worth keeping: a doorway can mean a great deal to someone without telling us why a mason put it there.

When did people start calling it the Devil’s Door?

A church guide from 1936 gives a useful glimpse of the name in use. At St John the Evangelist in Carlton-in-Lindrick, Nottinghamshire, it says a door near the west end of the north aisle was “popularly known” as the devil’s door. The guide says the north wall was taken down and rebuilt in 1832.

Mario brings that Carlton example into the episode. The date is tempting: there is an old doorway, a reported local name and a 19th-century rebuilding in one account. Still, the guide was written in 1936. Its description does not, by itself, establish the first year anyone spoke the name.

Sedlezky’s wider finding is firmer than a single first-use claim. He places the widespread idea in the 19th century. His book also shows why a date for the doorway cannot double as a date for its nickname. Churches had north and south entrances centuries before people began broadly calling north openings Devil’s Doors.

Rello admits the account takes some force out of the phrase for him. He knows the warning from his grandmother, so a physical door with an uncertain name feels like a strange origin to hand it. Angie feels differently. She still gives the saying high marks because she hears versions of its warning often. They are judging what it does in speech, while the church research asks a separate question about stone.

Did the church doors give the saying its meaning?

There is no documented link here that takes us from a named church doorway to the first person who warned someone about “knocking on the devil’s door.” The two images fit together beautifully. That is a reason to investigate them, not a reason to call the case closed.

The saying works even if its speaker has never seen an English parish church. Angie mentions “knocking on trouble’s door” as a version she hears. Cambridge Dictionary defines “be asking for trouble” as behaving in a way likely to cause problems for yourself. Neither needs a real doorway to make sense.

The episode’s guests show how easily the image travels. Rello recalls his grandmother’s warning. Kunda recalls neighbors telling him not to be surprised if the devil answers. Angie hears the risk in returning to a bad choice. Those are accounts of use, with no claim that the speakers learned the phrase from church history.

Twenty offers his own warning, by accident. First he thinks of heaven’s door; then he recognizes the devil’s-door idea in other words. Near the end, he says he hears variants more readily than this exact wording, so a listener can know the warning well and still mishear the sign over the entrance.

Why isn’t it in the dictionary?

Mario checks several dictionaries during the episode and reports finding no entry for the full phrase. That surprises the group. Rello says his grandmother used versions of it; Angie has no trouble explaining it. How can something familiar to them go undefined?

One clue is the wording. Angie says “trouble’s door.” Rello recalls a warning about “them doors.” Kunda remembers “devil’s door.” Each speaker can make the image work without reciting the same set line. Cambridge does give “be asking for trouble” its own entry, though that does not settle why the devil’s-door version lacks one in the dictionaries Mario checked.

Nor does a missing entry mean a phrase has no meaning. Mario asks the guests what they think it means before he reveals the dictionary search. Their answers arrive quickly. The uncertainty lies in its recorded history and exact wording, rather than in the warning they hear.

There is a small pleasure in that gap. Sedlezky set out to study blocked doors after finding little academic work that explained them. Mario goes looking for a printed definition and finds the same sort of blank space. In both cases, people standing nearby are ready with an answer. The trouble begins when an answer sounds older and more certain than the evidence allows.

Angie leaves the episode with a warning about the “homecoming hug,” the embrace she says may linger a little too long. It has its own door-knocking logic: people have homes to go to afterward. She lets the detail do the work.