80 entries under adjective topic. ×
| sealed(tight, proof, closed, impervious) | |
| impervious(solid, fast, short, dense) | |
| tight(proof, impervious, sealed, airtight) | |
| airtight(tight, proof, closed, impervious) | |
| watertight(tight, proof, impervious, airtight) | |
| hermetical(tight, proof, impervious) | |
| impermeable(tight, proof, impervious, impenetrable) | |
| waterproof(tight, proof, impervious, airtight) | |
| recondite(obscure, dark, deep, mysterious) | |
| snug | |
| air-tight(tight, proof, impervious) | |
| deep(obscure, complex, thoughtful, meaning) | |
| shut(closed, airtight) | |
| airproof(tight, proof, impervious) | |
| closed | |
| esoteric(obscure, dark, deep, mysterious) | |
| hidden(close, quiet, obscure, solid) | |
| impenetrable(fast, short, dense, unaffected) | |
| profound(obscure, complex, deep, thoughtful) | |
| dampproof(tight, proof, impervious) |
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| APA | Smart Define. (2015). hermetic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hermetic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hermetic thesaurus" https://smartdefine.org/hermetic/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, hermetic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hermetic/thesaurus/synonyms>. |
| MLA | Smart Define. "hermetic thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/hermetic/thesaurus/synonyms> |