waterproof
adjective
impervious to water.
had waterproofed
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past perfectof waterproof.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some of the scientists had waterproofed their worn-out old boots using melted candle wax.
From Seattle Times ● Sep. 23, 2019
