53 entries under impermeability topic. ×

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rebuff(noun, resistance, invulnerability)
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refusal(noun, resistance, invulnerability)
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retardation(noun, resistance, invulnerability)
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safeguard(noun, resistance, invulnerability)
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screen(noun, resistance, invulnerability)
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shield(noun, resistance, invulnerability)
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stand(noun, resistance, invulnerability)
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stiffness(noun, protection, security, rigidity, hardness)
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support(noun, resistance, invulnerability)
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warding off(noun, expression, resistance, invulnerability)
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watch(noun, resistance, invulnerability)
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watertightness(noun, resistance, protection, security)
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withstanding(noun, resistance, endurance, invulnerability)
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APASmart Define. (2015). imperviousness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/imperviousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperviousness thesaurus" https://smartdefine.org/imperviousness/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, imperviousness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/imperviousness/thesaurus/synonyms>.
MLASmart Define. "imperviousness thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/imperviousness/thesaurus/synonyms>