1) Aridity 2) Dehydration 3) Desert attribute 4) Desert condition 5) Desert feature 6) Desiccation 7) Drought 8) Dryness 9) Feature of Namibia and Libya 10) Parchedness 11) Waterlessness 12) Xerotes 
• (n.) Aridity; dryness.
Ar'id·ness noun Aridity; dryness. 
aridness 1. A permanent absence of rainfall. 2. Dryness; a state of being without moisture. 3. A dry state of the body; emaciation; the withering of a limb.