Oubliette
Oubliette noun - A dungeon with the only entrance or exit being a trap door in the ceiling.
Show all Definitions
Synonyms for Oubliette
Underground prison and oubliette are semantically related. In some cases you can use "Underground prison" instead a noun "Oubliette".
Underground prison
Oubliette and underground prison are semantically related. You can use "Oubliette" instead a noun phrase "Underground prison".
Mutual synonyms
Cite this Source
Underground prison and Oubliette. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/oubliette/underground_prison
Oubliette & Underground prison. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/oubliette/underground_prison>.
Underground prison or Oubliette. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/oubliette/underground_prison.
Google Ngram Viewer shows how "oubliette" and "underground prison" have occurred on timeline