bottomless pit

Noun

bottomless pit (plural bottomless pits)

1. (literally) A pit with no visible bottom and apparently infinite depth.

   Synonyms:

   abyss

2. Hell.
   • And they had a king over them, which is the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek tongue hath his name Apollyon.1769, The Bible, King James Version, Oxford Standard Text, Revelation, 9:11
3. (figuratively) An endless resource or supply.
   • Lipsius was replaced at Leyden by Joseph Justus Scaliger (1540-1609), the French Protestant scholar who was known to contemporaries as "the bottomless pit of erudition."1994, Donald Frederick Lach, Asia in the Making of Europe
4. (figuratively) A person with an apparently boundless appetite; an entity or problem which consumes seemingly endless resources.
   • 2006: The Club For Growth: Bottomless Pit (blog entry), Phillip Rodokanakis
     In other words, we will continue throwing good money after bad, trying to feed a bottomless pit's insatiable appetite for taxpayer dollars.

   Synonyms:

   black hole

5. An in-game hazard made up of a deep hole or void with no visible bottom, falling into which typically costs the player a life.

   Synonyms:

   death pit