Black hole
Black hole noun - Empty space.
Show all Definitions
Synonyms for Black hole
Oubliette and black hole are semantically related. In some cases you can use "Oubliette" instead a noun phrase "Black hole".
Oubliette
Oubliette noun - A dungeon with the only entrance or exit being a trap door in the ceiling.
Show all Definitions
Synonyms for Oubliette
Black hole and oubliette are semantically related. You can use "Black hole" instead a noun "Oubliette".
Mutual synonyms
Related pairs
Cite this Source
Oubliette and Black hole. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/black_hole/oubliette
Black hole & Oubliette. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/black_hole/oubliette>.
Oubliette or Black hole. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/black_hole/oubliette.
Google Ngram Viewer shows how "black hole" and "oubliette" have occurred on timeline