adj. Capable of resisting damage caused by the weather.
v. To make something resistant to damage caused by the weather.
the GNU version of the Collaborative International Dictionary of English
adj. Proof against rough weather.
The Century Dictionary and Cyclopedia
Proof against rough weather.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make resistant to bad weather
adj. able to withstand exposure to weather without damage
Word Usage
"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."