7 entries under impervious topic. ×
| waterproof(adjective, resistant) | |
| impermeable(adjective, resistant, impenetrable) | |
| watertight(adjective, resistant) | |
| rainproof(resistant, waterproof) | |
| airtight(adjective, resistant) | |
| sealed(adjective, resistant) | |
| solid(resistant, waterproof) |
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Water-resistant on
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| APA | Smart Define. (2015). water-resistant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/water-resistant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "water-resistant thesaurus" https://smartdefine.org/water-resistant/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, water-resistant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/water-resistant/thesaurus/synonyms>. |
| MLA | Smart Define. "water-resistant thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/water-resistant/thesaurus/synonyms> |