Capable of withstanding exposure to weather without damage.(adjective)
To make weatherproof.(verb-transitive)
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 "weatherproof" in a sentence
"Three months before the election I decided to start burying my assorted products in weatherproof and watertight containers in various places around a large body body of water that is fenced off by a certain city."
"For transmission lines, copper wire covered with waterproof braid -- the so-called weatherproof wire of the trade -- is used."
"Seen from the outside, they were velvety sienna walls (the intentional and inherently limited rust of "weatherproof" steel) with a nice raking profile."