1. extremely dry
1. The monsoon has failed again this year, and almost nothing can grow in the parched soil of the farmland.
2. very thirsty
2. I'm so parched that I feel I could drink a whole liter of water.
parched = P (police) after + marched (parade)= they become dry and thirsty if you parked the car in open, then due to sunlight and greenhouse effect it will become hot or dry