There are several synonyms for the word "exsiccating," which means to dry or remove moisture. One synonym is desiccating, which emphasizes the removal of water or moisture from something. A second synonym is parching, which suggests a more severe or intense dehydration, often due to exposure to heat or sunlight. Another synonym is withering, which implies a gradual loss of vitality or strength, often due to prolonged exposure to a harsh environment. Finally, shriveling is a synonym that suggests a contraction or collapse of material due to the removal of moisture, often resulting in a wrinkled or shrunken appearance.