Needs Hydration can be summed up as the need for adequate hydration. THIRSTS, which is a seven letter crossword solution for Needs Hydration, is a feeling of dryness in the mouth and throat caused by dehydration. It is important to stay hydrated in order to maintain good health and prevent dehydration. Dehydration can lead to fatigue, headaches, dizziness, and other health issues. Therefore, it is important to drink plenty of fluids throughout the day to ensure proper hydration.