- Definitions|0
- Thesaurus|84
- Abbreviations|0
| pressureproof(adjective, tight, proof, impervious, hermetic) | |
| pressurised(adjective, tight, proof, impervious, hermetic) | |
| pressurized(adjective, tight, proof, impervious, hermetic) | |
| proof(adjective, tight, impervious, hermetic) | |
| retentive(adjective, tight, proof, impervious, hermetic) | |
| sealed(adjective, tight, proof, impervious, hermetic) | |
| sealed-in(adjective, tight, proof, impervious, hermetic) | |
| tightly sealed(adjective, tight, proof, impervious, hermetic) | |
| totally enclosed(adjective, tight, proof, impervious, hermetic) | |
| water-proof(adjective, tight, proof, impervious, hermetic) | |
| water-tight(adjective, tight, proof, impervious, hermetic) | |
| waterproof(adjective, tight, proof, impervious, hermetic) | |
| air tight(expression, idiom) | |
| close | |
| compact | |
| drunk | |
| impassable | |
| impenetrable | |
| impervious | |
| miserly |
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| APA | Smart Define. (2013). airproof thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/airproof/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "airproof thesaurus" https://smartdefine.org/airproof/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2013, airproof thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/airproof/thesaurus/synonyms>. |
| MLA | Smart Define. "airproof thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/airproof/thesaurus/synonyms> |