WordReference Random House Unabridged Dictionary of American English © 2026
gray′ wa′ter, 
  1. Buildingdirty water from sinks, showers, bathtubs, washing machines, and the like, that can be recycled, as for use in flushing toilets.
  • 1975–80

'gray water' also found in these entries (note: many are not synonyms or translations):
ANTU - black water - grey water

Forum discussions with the word(s) "gray water" in the title:


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