- Definitions|2
- Thesaurus|173
- Abbreviations|0
19 entries under protection topic. ×
| impenetrability(noun, security, rigidity, hardness) | |
| imperviousness(noun, resistance, security, rigidity) | |
| solidity(noun, resistance, security, rigidity) | |
| density(noun, security, rigidity, hardness) | |
| hardness(noun, security, rigidity, density) | |
| compactness(noun, security, rigidity, hardness) | |
| durability(noun, security, rigidity, hardness) | |
| fixedness(noun, security, rigidity, hardness) | |
| impliability(noun, security, rigidity, hardness) | |
| inelasticity(noun, security, rigidity, hardness) | |
| inflexibility(noun, security, rigidity, hardness) | |
| resistance(noun, security, rigidity, hardness) | |
| rigidity(noun, security, hardness, density) | |
| temper(noun, security, rigidity, hardness) | |
| tensile strength(noun, expression, security, rigidity) | |
| toughness(noun, security, rigidity, hardness) | |
| stiffness(noun, security, rigidity, hardness) | |
| waterproofness(noun, security) | |
| watertightness(noun, resistance, security, invulnerability) |
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| APA | Smart Define. (2015). impermeability thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impermeability/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impermeability thesaurus" https://smartdefine.org/impermeability/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, impermeability thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impermeability/thesaurus/synonyms>. |
| MLA | Smart Define. "impermeability thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/impermeability/thesaurus/synonyms> |