waterproof
Resistant to the effects of water.
Other meanings
Made of or covered with material that doesn't allow water in; impervious to water and immune to its effects.
Incapable of failing; unassailable.
Related words
- waterproof pants
Where this comes from
This definition is adapted from “waterproof” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.