151 entries under adjective topic. ×
| air-locked(tight, impervious, hermetic) | |
| air-proof(tight, impervious, hermetic) | |
| air-tight(tight, impervious, hermetic) | |
| airproof(tight, impervious, hermetic) | |
| aloof(calm, restrained, unconcerned, subdued) | |
| calm(restrained, unconcerned, subdued, impassive) | |
| casual(calm, restrained, unconcerned, subdued) | |
| cold fish(expression, calm, restrained, subdued) | |
| cool(calm, restrained, unconcerned, subdued) | |
| dense | |
| earnest(noun, calm, mark, sign) | |
| easy-going(calm, restrained, unconcerned, subdued) | |
| enclosed(tight, impervious, hermetic) | |
| gas-tight(tight, impervious, hermetic) | |
| gas proof(tight, impervious, hermetic) | |
| gastight(tight, impervious, hermetic) | |
| hard-boiled(calm, restrained, unconcerned, subdued) | |
| hard-hearted(calm, restrained, unconcerned, subdued) | |
| hermetical(tight, impervious, hermetic) | |
| hermetically-impervious(tight, impervious, hermetic) |
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| APA | Smart Define. (2015). proof thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/proof/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "proof thesaurus" https://smartdefine.org/proof/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, proof thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/proof/thesaurus/synonyms>. |
| MLA | Smart Define. "proof thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/proof/thesaurus/synonyms> |