Meanings
- uncountableThe property of being waterproof.
To find the best rain jacket, we tested everything from waterproofness and breathability to fit, feel and packability.
2025 January 3, Kai Burkhardt, “The best rain jackets of 2025, tried and tested”, in CNN1 more example
In the fabric section, a textile twisting and tearing machine and a "Lissajou curve" [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness.
1961 February, “Talking of Trains: New L.T. research laboratory”, in Trains Illustrated, page 77
Synonyms & antonyms
nounThe condition of being so tightly made that water cannot enter or escape.
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
waterproofness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/waterproofness
“waterproofness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/waterproofness. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “waterproofness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/waterproofness.
Source: waterproofness on Wiktionary, CC BY-SA 4.0.