Word.ws English Dictionary

sump buster

sump buster noun: an access control device consisting of a concrete block or similar obstacle, too high for cars but allowing vehicles with higher clearance such as buses and emergency vehicles to pass.

sump buster: an access control device consisting of a concrete block or similar obstacle, too high for cars but...
Image: Spsmiler, Public domain, via Wikimedia Commons

Noun

sump buster (plural sump busters)

  1. An access control device consisting of a concrete block or similar obstacle, too high for cars but allowing vehicles with higher clearance such as buses and emergency vehicles to pass.
    • As a result a “busgate” with a “sumpbuster” was installed - a raised concrete platform intended to smash the sump of any cars that ignored the “no entry” sign.2025 October 10, Alan Smith, “Allington residents and motorists clash as Kent County Council and Croudace argue over ‘no entry’ signs 40cm out of place”, in Kent Online
    • Your sump buster is a hunk of concrete or metal that teaches the unwitting driver or the outright scoff-law a good lesson.2026 March 24, Deborah Warren, Street Smarts: From Footpath to Freeway―A Miscellany, Paul Dry Books, →ISBN
    Synonyms:
    sump breaker, sump trap

Synonyms of sump buster

  • sump breaker
  • sump trap

Forms of sump buster

pluralsump busters
alternative formsumpbuster

Origin of sump buster

From sump + buster. A car that attempts to cross such an obstacle is likely to receive damage to its oil sump.

Questions about sump buster

What does sump buster mean?
Sump buster means an access control device consisting of a concrete block or similar obstacle, too high for cars but allowing vehicles with higher clearance such as buses and emergency vehicles to pass.
What part of speech is sump buster?
Sump buster is a noun.
What is the plural of sump buster?
The plural of sump buster is sump busters.

Words near sump buster in the dictionary

  1. sumoylates
  2. sumoylating
  3. sumoylation
  4. sumoylations
  5. sump
  6. sump buster
  7. sump busters
  8. sump oil
  9. sump pit
  10. sump pits
  11. sump pump

Source and license

Adapted from Wiktionary: sump buster (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “sump buster.” Word.ws, https://word.ws/sump_buster. Based on Wiktionary, CC BY-SA 4.0.