Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "wetproof" in a sentence
"There used to be a tin of "Sundries" in the 10 man ratpacks that was filled with tin openers, matches, wetproof matches and those little five-chunk packs of PK Chewing Gum."
"The issue wetproof jacket was more use worn UNDER the combat jacket, less noisy and kept you warmer."