Water is a vital element that sustains life on earth. Having access to clean and safe water is essential for human survival. Therefore, the quality of water is of utmost importance. The term "quality of water" can be expressed in a variety of synonyms such as water purity, water cleanliness, water condition, water salubrity, and water hygiene. These synonyms signpost towards the characteristics that determine the suitability of water for human usage. They include parameters such as pH levels, total dissolved solids, turbidity, and the presence of harmful chemicals. Understanding these synonyms and their different meanings can help us to establish and maintain better water regulatory practices for a healthier planet.