- Definitions|2
- Thesaurus|173
- Abbreviations|0
| assurance | |
| battle(resistance, invulnerability) | |
| blind alley(expression, idiom, closure) | |
| blind corner(expression, idiom, closure) | |
| blocking(resistance, invulnerability) | |
| caecum | |
| check(resistance, invulnerability) | |
| combat(resistance, invulnerability) | |
| confidence | |
| constancy | |
| contention(resistance, invulnerability) | |
| counteraction(resistance, invulnerability) | |
| cover(resistance, invulnerability) | |
| cul-de-sac | |
| darkness | |
| decision | |
| defiance(resistance, invulnerability) | |
| detention(resistance, invulnerability) | |
| determination | |
| dimness |
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Impermeability on
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| APA | Smart Define. (2015). impermeability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impermeability/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impermeability thesaurus" https://smartdefine.org/impermeability/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, impermeability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impermeability/thesaurus/synonyms>. |
| MLA | Smart Define. "impermeability thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/impermeability/thesaurus/synonyms> |