Inspissant, meaning something that thickens or congeals, can have a number of synonyms depending on the context in which it is used. For example, "gelatinous" can be used to describe a substance that is thick and viscous, or "coagulated" can be used to describe a liquid that has turned into a solid. Other synonyms for inspissant that can be used depending on the context may include "jellylike," "stiff," "solidified," or "concentrated." These words are often used to describe materials like paints, glues, or sauces that have thickened over time. The use of synonyms for inspissant can help add variety to your writing and make your descriptions more vivid.