The crossword solution for the term 'make more liquid' is 'DILUTE'. Diluting a liquid is the process of adding more solvent, such as water, to reduce the concentration of solutes in the solution. This can be done to adjust the flavor or consistency of a liquid, or to reduce the amount of a hazardous material in a solution. Dilution is a common practice in many industries, including food and beverage production, pharmaceuticals, and chemical manufacturing.