- Definitions|1
- Thesaurus|454
- Abbreviations|0
67 entries under adjective topic. ×
| hermetic(verb, tight, proof, closed) | |
| sealed(tight, proof, impervious, hermetic) | |
| tight(proof, impervious, hermetic, sealed) | |
| watertight(tight, proof, impervious, hermetic) | |
| air-tight(tight, proof, impervious, hermetic) | |
| closed(verb, closed, enclosed, sealed) | |
| impermeable(tight, proof, impervious, impenetrable) | |
| impervious(fast, short, tight, dense) | |
| unassailable(certain, indisputable) | |
| waterproof(water, tight, proof, impervious) | |
| gas-tight(tight, proof, impervious, hermetic) | |
| irrefutable(certain, indisputable) | |
| airproof(tight, proof, impervious, hermetic) | |
| hermetical(tight, proof, impervious, hermetic) | |
| impenetrable | |
| snug | |
| certain(strong, sound, indisputable) | |
| dampproof(tight, proof, impervious, hermetic) | |
| fast | |
| gastight(tight, proof, impervious, hermetic) |
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| APA | Smart Define. (2015). airtight thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/airtight/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "airtight thesaurus" https://smartdefine.org/airtight/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, airtight thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/airtight/thesaurus/synonyms>. |
| MLA | Smart Define. "airtight thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/airtight/thesaurus/synonyms> |