Bottomless pit
Pit and bottomless pit are semantically related. In some cases you can use "Pit" instead a noun phrase "Bottomless pit".
Pit
Pit noun - A sunken area forming a separate space.
Mutual synonyms
Cite this Source
Pit and Bottomless pit. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/bottomless_pit/pit
Bottomless pit & Pit. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/bottomless_pit/pit>.
Pit or Bottomless pit. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/bottomless_pit/pit.
Google Ngram Viewer shows how "bottomless pit" and "pit" have occurred on timeline