Word.ws English Dictionary

grey water

grey water is the alternative spelling of gray water.

Meaning of gray water

Noun

gray water (countable and uncountable, plural gray waters)

  1. Water that is not clean enough to be potable, such as having been used for washing, but not contaminated with fecal matter or other source of dangerous bacteria or dangerous or noxious materials.
    • Its tunnels will have thinned like unhealthy arteries, before twisting and buckling under the weight of the shifting ice, slowly leaching diesel fuel, toxic chemicals like polychlorinated biphenyls, grey water and radiological waste.2020, David Farrier, “The Library of Babel”, in Footprints, 4th Estate, →ISBN
    Synonyms:
    sullage

Forms of grey water

pluralgrey waters

Questions about grey water

What is grey water the alternative spelling of?
Grey water is the alternative spelling of gray water.

Words near grey water in the dictionary

  1. Grey Tribe
  2. grey wagtail
  3. grey wagtails
  4. grey warbler
  5. grey warblers
  6. grey water
  7. grey waters
  8. grey whale
  9. grey whales
  10. grey wolf
  11. grey wolves

Source and license

Adapted from Wiktionary: grey water (page history and authors); gray water (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.

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Cite this entry: “grey water.” Word.ws, https://word.ws/grey_water. Based on Wiktionary, CC BY-SA 4.0.