| quarantine(stop, close, stick, fasten, enclose) | |
| rain coat(expression, idiom) | |
| reclosable(adjective, tight, proof, impervious, hermetic) | |
| resilient | |
| resistant | |
| roquelaure | |
| saturate | |
| seal off(verb, expression, phrasal verb) | |
| secured | |
| segregate(stop, close, stick, fasten, enclose) | |
| shellproof | |
| showerproof | |
| shut(stop, close, stick, fasten, fill) | |
| spencer | |
| stick(close, fasten) | |
| stick down(expression, close, stick, fasten) | |
| stop(close, stick, fasten) | |
| stop up(expression, stop, close, stick, fasten) | |
| stopper(stop, close, stick, fasten, fill) | |
| storm-resistant |
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| APA | Smart Define. (2015). waterproof thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/waterproof/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "waterproof thesaurus" https://smartdefine.org/waterproof/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, waterproof thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/waterproof/thesaurus/synonyms>. |
| MLA | Smart Define. "waterproof thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/waterproof/thesaurus/synonyms> |