Jellify is a term used to describe the process of turning a liquid into a gel-like substance. However, there are several antonyms for this word, including liquefy, melt, dissolve, and dilute. When a substance is liquefied, it becomes a liquid state, while melting refers to the process of changing from a solid to a liquid. Dissolving is another antonym for jellify, which means that a substance is broken down into individual molecules and dispersed into a solvent. Lastly, diluting refers to the process of reducing the concentration of a substance by adding water or other liquids. These antonyms are helpful to know when discussing the opposite of jellify in chemistry and cooking.