53 entries under impermeability topic. ×

1
toughness(noun, protection, security, rigidity, hardness)
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battle(noun, resistance, invulnerability)
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blocking(noun, resistance, invulnerability)
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check(noun, resistance, invulnerability)
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combat(noun, resistance, invulnerability)
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contention(noun, resistance, invulnerability)
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counteraction(noun, resistance, invulnerability)
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cover(noun, resistance, invulnerability)
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defiance(noun, resistance, invulnerability)
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detention(noun, resistance, invulnerability)
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fight(noun, resistance, invulnerability)
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friction(noun, resistance, invulnerability)
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halting(noun, resistance, invulnerability, renitency)
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holding(noun, resistance, invulnerability)
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impediment(noun, resistance, invulnerability)
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impeding(noun, resistance, invulnerability)
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intransigence(noun, resistance, invulnerability, implacability)
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parrying(noun, resistance, invulnerability)
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protecting(noun, resistance, protection, reassurance)
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protection(noun, resistance, security, reassurance)
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APASmart Define. (2015). imperviousness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/imperviousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperviousness thesaurus" https://smartdefine.org/imperviousness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, imperviousness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/imperviousness/thesaurus/synonyms>.
MLASmart Define. "imperviousness thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/imperviousness/thesaurus/synonyms>