noun
- Any fabric impervious to water.
- A water-resistant coat.
- synonyms: raincoat
verb
- Make watertight.
- usage: "Waterproof the coat"
adjective
- Not permitting the passage of water.
- synonyms: rainproof, waterproofed
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). waterproof. Retrieved September 21, 2026, from http://smartdefine.org/waterproof/definitions/1188082 |
| Chicago | WordNet. 2010. "waterproof" http://smartdefine.org/waterproof/definitions/1188082 (accessed September 21, 2026). |
| Harvard | WordNet 2010, waterproof, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/waterproof/definitions/1188082>. |
| MLA | WordNet. "waterproof" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/waterproof/definitions/1188082> |