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W_____________
Definitions
The condition of being so tightly made that water cannot enter or escape.
Word origin
From waterproof + -ness.
Used in a sentence
“To find the best rain jacket, we tested everything from waterproofness and breathability to fit, feel and packability.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for waterproofness yet.