Thirstinesses is a word used to describe the condition of being thirsty. There are several synonyms that can be used as a replacement for this word. Some of the synonyms for thirstinesses are dehydration, dryness, craving, parchedness, and longing. All of these words accurately convey the same meaning as thirstinesses but with a more precise or nuanced expression. For example, dehydration emphasizes the loss of fluids in the body due to various medical conditions. Parchedness suggests extreme dryness, while craving highlights the desire for liquid or something specific to drink. In conclusion, choosing the right synonym can enhance the clarity and style of one's writing or expression.