water-repellent 
adjective
Not easily penetrated by water, especially as a result of being treated for such a purpose with a surface coating: a new water-repellent leather a spray-on treatment that makes paper and cloth maps water-repellent...
- To the contrary, caribou underfur (like caribou skin in general) is not waterproof or water-repellent: moisture penetrates it easily.
- When you do expose your skin, give it a good coating of a water-repellent sunscreen first.
- By now most of our soils are so dry they've become water-repellent and what little rain we've received has barely penetrated the surface.
