See also: wash, Wash, Wash., -wash, and The Wash English Noun WASH (uncountable) Acronym of Water, Sanitation and Hygiene. References Water, Sanitation and Hygiene (WASH) - UNHCR Global Water, Sanitation and Hygiene Home - Healthy Water - CDC (Centers for Disease Control and Prevention) Anagrams Haws, Shaw, Wahs, haws, shaw, shwa, wahs Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads