graywater

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A form of gray water — 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.

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Meanings

noungraywater (countable and uncountable, plural graywaters)

plural graywaters

  1. alternativecountableuncountableAlternative spelling of gray water.

Synonyms & antonyms

Also see
wastewater

Origin

From gray + water.

Full word history & related roots →
Cite this entry
APA

graywater. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/graywater

MLA

“graywater.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/graywater. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “graywater,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/graywater.

Source: graywater on Wiktionary, CC BY-SA 4.0.