thirsty in WordNet English dictionary

1. (usually followed by `for') extremely desirous
   "athirst for knowledge"; "hungry for recognition"; "thirsty for informaton"
   athirst  hungry  thirsty 
   
2. feeling a need or desire to drink
   "after playing hard the children were thirsty"
   thirsty 
   
3. able to take in large quantities of moisture
   "thirsty towels"
   thirsty 
   
4. needing moisture
   "thirsty fields under a rainless sky"
   thirsty