- Definitions|2
- Thesaurus|173
- Abbreviations|0
45 entries under noun topic. ×
| impermeableness | |
| impenetrability(protection, security, rigidity, hardness) | |
| imperviousness(resistance, protection, security, rigidity) | |
| solidity(resistance, protection, security, rigidity) | |
| density(protection, security, rigidity, hardness) | |
| closeness | |
| consistency | |
| hardness(protection, security, rigidity, density) | |
| opacity | |
| tightness | |
| compactness(protection, security, rigidity, hardness) | |
| durability(protection, security, rigidity, hardness) | |
| firmness(rigidity, hardness) | |
| fixedness(protection, security, rigidity, hardness) | |
| impliability(protection, security, rigidity, hardness) | |
| inelasticity(protection, security, rigidity, hardness) | |
| inflexibility(protection, security, rigidity, hardness) | |
| resistance(protection, security, rigidity, hardness) | |
| rigidity(protection, security, hardness, density) | |
| solidness |
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| APA | Smart Define. (2015). impermeability thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/impermeability/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impermeability thesaurus" https://smartdefine.org/impermeability/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, impermeability thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/impermeability/thesaurus/synonyms>. |
| MLA | Smart Define. "impermeability thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/impermeability/thesaurus/synonyms> |