Word.ws English Dictionary

greywater

greywater 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 greywater

pluralgreywaters

Origin of greywater

From grey + water.

Questions about greywater

What is greywater the alternative spelling of?
Greywater is the alternative spelling of gray water.

Words near greywater in the dictionary

  1. Greytaks
  2. Greytown
  3. greywacke
  4. greywackes
  5. greyware
  6. greywater
  7. greywaters
  8. greywether
  9. greywethers
  10. greyzem
  11. greyzems

Source and license

Adapted from Wiktionary: greywater (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: “greywater.” Word.ws, https://word.ws/greywater. Based on Wiktionary, CC BY-SA 4.0.