More desiccated

• Having less rainfall
• What a horse needs to qualify for the Preakness?
• What a racehorse needs
• More desperately in need of rainfall
• More in need of xeriscaping
• More like the desert
• Having less rainfall (var.)
• What any horse needs to win the Preakness?

Wiktionary Word definitions in Wiktionary
a. (en-comparative of: arid )