waterproof

Meanings

1. 1
   adj

   Made so that water cannot get through or in.

   You'll need a waterproof jacket for the hike.

2. 2
   verb

   To treat something so that water cannot get through it.

   They waterproofed the tent before the camping trip.

3. 3
   noun

   A coat that keeps out the rain.

   She pulled on her waterproof as the storm began.

From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”).

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