Resistant to penetration by water but not entirely waterproof.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "water-repellent" in a sentence
"In most cases boots and shoes might have the fur on the inside for warmth (sheepskin) but could have it on the outside for water-repellent features or for decoration."
"Composed of water-repellent sheets of skeletal film, her brilliant diy project is sure to cast rainy nights under a different shade."
"The “StoCoat Lotusan” exterior coating possesses a highly water-repellent surface designed to mimic the surface of the lotus leaf."