Home › Words › W › watsanwatsanwatsan means water and sanitation.EtymologyShortening.nounwater and sanitationDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.ecosan 60% match — ecological sanitation (reuse of excreta for agriculture) vs watsan →drinkwater 60% match — Potable water; water intended for drinking vs watsan →unsanitation 57% match — Lack of sanitation. vs watsan →elsan 53% match — A chemical toilet. vs watsan →eau 52% match — Water. vs watsan →sanitationist 51% match — One who believes in sanitation as a means of preventing disease. vs watsan →hydrotechnology 50% match — Any technology that employs water vs watsan →hydrosystem 49% match — A hydrological system (system of water management) vs watsan →