Desiccative is a word that describes a substance or process that removes moisture from something. There are several synonyms for this word, including drying, dehydrating, evaporating, and parching. These words all indicate an action that removes water or moisture from an object or substance. Some other synonyms for desiccative include austere, arid, dry, and barren. These words often describe a dry or unproductive environment or climate. Whether you are talking about drying clothes on a clothesline, removing moisture from food for preservation, or describing a desert landscape, there are many words you can use to convey the idea of desiccation.