Being thirsty is a common feeling that everyone encounters. A thirst sensation is an indication that the body requires water to function correctly. Synonyms for the word "be thirsty" include "parched," "dehydrated," "needing a drink," "craving water," "feeling dry," and "unquenched." A person can feel thirsty for several reasons, including hot weather, exercise, and a lack of water intake. The body needs to stay hydrated, and when it doesn't receive enough hydration, it can lead to dangerous side effects. Therefore, it is always important to stay hydrated and listen to the body's thirst signals to prevent dehydration and maintain good health.