32 entries under tight topic. ×
| waterproof(adjective, water, proof, impervious) | |
| hermetic(adjective, proof, impervious, airtight) | |
| impermeable(adjective, proof, impervious, impenetrable) | |
| airtight(adjective, proof, impervious, hermetic) | |
| sealed(adjective, proof, impervious, hermetic) | |
| dampproof(adjective, proof, impervious, hermetic) | |
| gastight(adjective, proof, impervious, hermetic) | |
| hermetical(adjective, proof, impervious, hermetic) | |
| pressure-tight(adjective, proof, impervious, hermetic) | |
| proof(adjective, impervious, hermetic) | |
| retentive(adjective, proof, impervious, hermetic) | |
| air-locked(adjective, proof, impervious, hermetic) | |
| air-proof(adjective, proof, impervious, hermetic) | |
| air-tight(adjective, proof, impervious, hermetic) | |
| airproof(adjective, proof, impervious, hermetic) | |
| enclosed(adjective, proof, impervious, hermetic) | |
| gas-tight(adjective, proof, impervious, hermetic) | |
| gas proof(adjective, proof, impervious, hermetic) | |
| hermetically-impervious(adjective, proof, impervious, hermetic) | |
| hermetically-sealed(adjective, proof, impervious, hermetic) |
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| APA | Smart Define. (2015). watertight thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/watertight/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "watertight thesaurus" https://smartdefine.org/watertight/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, watertight thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/watertight/thesaurus/synonyms>. |
| MLA | Smart Define. "watertight thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/watertight/thesaurus/synonyms> |