32 entries under proof topic. ×
| sealed(adjective, tight, closed, impervious) | |
| tight(adjective, impervious, sealed, airtight) | |
| airtight(adjective, tight, closed, impervious) | |
| watertight(adjective, tight, impervious, airtight) | |
| hermetical(adjective, tight, impervious) | |
| impermeable(adjective, tight, impervious, impenetrable) | |
| waterproof(adjective, tight, impervious, airtight) | |
| air-tight(adjective, tight, impervious) | |
| airproof(adjective, tight, impervious) | |
| dampproof(adjective, tight, impervious) | |
| pressure-tight(adjective, tight, impervious) | |
| gastight(adjective, tight, impervious) | |
| air-locked(adjective, tight, impervious) | |
| air-proof(adjective, tight, impervious) | |
| enclosed(adjective, tight, impervious) | |
| gas-tight(adjective, tight, impervious) | |
| gas proof(adjective, tight, impervious) | |
| hermetically-impervious(adjective, tight, impervious) | |
| hermetically-sealed(adjective, tight, impervious) | |
| leaktight(adjective, tight, impervious) |
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| APA | Smart Define. (2015). hermetic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hermetic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hermetic thesaurus" https://smartdefine.org/hermetic/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, hermetic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hermetic/thesaurus/synonyms>. |
| MLA | Smart Define. "hermetic thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/hermetic/thesaurus/synonyms> |