This article is about places of imprisonment in European castles. For other uses, see Dungeon (disambiguation).
"Oubliette" redirects here. For other uses, see Oubliette (disambiguation).
The dungeons of Blarney Castle, Ireland.

A dungeon is a room or cell in which prisoners are held, especially underground. Dungeons are generally associated with medieval castles, though their association with torture probably belongs more to the Renaissance period. An oubliette or bottle dungeon is a form of dungeon which is accessible only from a hatch or hole (an angstloch) in a high ceiling.


The word dungeon comes from French donjon (also spelled dongeon), which means "keep", the main tower of a castle. The first recorded instance of the word in English was near the beginning of the 14th century when it held the same meaning as donjon. The proper original meaning of "keep" is still in use for academics, although in popular culture it has been largely misused and come to mean a cell or "oubliette". Though it is uncertain, both dungeon and donjon are thought to derive from the Middle Latin word dominio, meaning "lord" or "master".[1]

In French, the term donjon still refers to a "keep", and the English term "dungeon" refers mostly to oubliette in French. Donjon is therefore a false friend to dungeon (although the game Dungeons & Dragons is titled Donjons et Dragons in its French editions).

An oubliette (from the French oubliette, literally "forgotten place") was a form of prison cell which was accessible only from a hatch or a hole (sometimes called an angstloch) in a high ceiling. The word comes from the same root as the French oublier, "to forget", as it was used for those prisoners the captors wished to forget. The use of "donjons" evolved over time, sometimes to include prison cells, which could explain why the meaning of "dungeon" in English evolved over time from being a prison within the tallest, most secure tower of the castle into meaning a cell, and by extension, in popular use, an oubliette or even a torture chamber.

The earliest use of oubliette in French dates back to 1374, but its earliest adoption in English is Walter Scott's Ivanhoe in 1819: "The place was utterly dark—the oubliette, as I suppose, of their accursed convent."[2]


Few Norman keeps in English castles originally contained prisons, though they were more common in Scotland. Imprisonment was not a usual punishment in the Middle Ages, so most prisoners were awaiting trial, sentence or a political solution. Noble prisoners were not generally held in dungeons, but lived in some comfort in castle apartments. The Tower of London is famous for housing political prisoners, and Pontefract Castle at various times held Thomas of Lancaster (1322), Richard II (1400), Earl Rivers (1483), Scrope, Archbishop of York (1405), James I of Scotland (1405–1424) and Charles, Duke of Orléans (1417–1430). Purpose-built prison chambers in castles became more common after the 12th century, when they were built into gatehouses or mural towers. Some castles had larger provision for prisoners, such as the prison tower at Caernarvon Castle.[3]


Diagram of alleged oubliette in the Paris prison of La Bastille from Dictionary of French Architecture from 11th to 16th Century (1854–1868), by Eugène Viollet-le-Duc; the commentary speculates that this may in fact have been built for storage of ice.

Although many real dungeons are simply a single plain room with a heavy door or with access only from a hatchway or trapdoor in the floor of the room above, the use of dungeons for torture, along with their association to common human fears of being trapped underground, have made dungeons a powerful metaphor in a variety of contexts. Dungeons, in the plural, have come to be associated with underground complexes of cells and torture chambers. As a result, the number of true dungeons in castles is often exaggerated to interest tourists. Many chambers described as dungeons or oubliettes were in fact storerooms, water-cisterns or even latrines.[4]

An example of what might be popularly termed an "oubliette" is the particularly claustrophobic cell in the dungeon of Warwick Castle's Caesar's Tower, in central England. The access hatch consists of an iron grille. Even turning around (or moving at all) would be nearly impossible in this tiny chamber.[5]

A "bottle dungeon" is sometimes simply another term for an oubliette.[6] It has a narrow entrance at the top and sometimes the room below is even so narrow that it is impossible to lie down but in other designs the actual cell is larger.[7][8]

The identification of dungeons and rooms used to hold prisoners is not always a straightforward task. Alnwick Castle and Cockermouth Castle, both near England's border with Scotland, had chambers in their gatehouses which have often been interpreted as oubliettes.[3] However, this has been challenged. These underground rooms (accessed by a door in the ceiling) were built without latrines, and since the gatehouses at Alnwick and Cockermouth provided accommodation it is unlikely that the rooms would have been used to hold prisoners. An alternative explanation was proposed, suggesting that these were strong-rooms where valuables were stored.[9]

In literature

Oubliettes and dungeons were a favourite topic of nineteenth century gothic novels or historical novels, where they appeared as symbols of hidden cruelty and tyrannical power. Usually found under medieval castles or abbeys, they were used by villainous characters to persecute blameless characters. In Alexandre Dumas's La Reine Margot, Catherine de Medici is portrayed gloating over a victim in the oubliettes of the Louvre.[10]

Dungeons are common elements in fantasy literature, and related tabletop and video games. The most famous examples are the various Dungeons & Dragons media.

See also


Look up dungeon or oubliette in Wiktionary, the free dictionary.
Wikimedia Commons has media related to Dungeons.
  1. The Merriam-Webster new book of word histories. Springfield, Mass.: Merriam-Webster. 1991. p. 152. ISBN 9780877796039.
  2. Oxford English Dictionary
  3. 1 2 Bottomley, Frank, The Castle Explorer's Guide, Kaye & Ward, London, 1979 ISBN 0-7182-1216-9 pp 143–145
  4. Bottomley, Frank, The Castle Explorer's Guide, Kaye & Ward, London, 1979 ISBN 0-7182-1216-9 p 145
  5. Hull, Lise, The Great Castles of Britain & Ireland (UK: New Holland Publishers, 2005), p. 34
  6. Hull, Lise (2016). Understanding the Castle Ruins of England and Wales: How to Interpret the History and Meaning of Masonry and Earthworks. McFarland. ISBN 9781476665979.
  7. Hull, Lise (2006). Britain's Medieval Castles. Greenwood Publishing Group. ISBN 9780275984144.
  8. "Alnwick Castle: The Keep". www.alnwickcastle.com. Alnick Castle. Archived from the original on 17 April 2016.
  9. Brears, Peter (2011), "The Administrative Role of Gatehouses in Fourteenth-Century North-Country Castles", in Airs, M.; Barnwell, P. S., The Medieval Great House, Rewley House Studies in the Historic Environment, pp. 204–208
  10. Alexandre Dumas, La Reine Margot, XIII Oreste et Pylade

Further reading

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