Waters down is a term used to describe the process of reducing the strength or concentration of a liquid. HOSES, with five letters, are long tubes used to transport liquids from one place to another. Weakens, with seven letters, is an action that reduces the strength or power of something. DILUTES, also with seven letters, is the act of making a liquid weaker by adding water or another liquid. WETS, with four letters, is the action of making something wet or moist. Thins, with five letters, is the action of making a liquid less thick or viscous. Together, these terms describe the process of reducing the strength or concentration of a liquid.