Synonyms|49Antonyms|0|Broader|0Narrower|0Related|16
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impassiveness
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impermeability(noun, density)
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imperturbability
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imperviousness(noun, density, impermeability)
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impliability(noun, density, impermeability)
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indifference
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inelasticity(noun, density, impermeability)
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inflexibility(noun, density, impermeability)
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insensibility
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insusceptibility
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inviolability
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invulnerability
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mass(noun, density, impermeability)
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massiveness(noun, density, impermeability)
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murkiness(noun, density, impermeability)
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quantity(noun, density, impermeability)
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resistance(noun, density, impermeability)
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rigidity(noun, density, impermeability)
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solidity(noun, density, impermeability)
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stiffness(noun, density, impermeability)
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APASmart Define. (2013). impassability thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impassability/thesaurus/synonyms
ChicagoSmart Define. 2013. "impassability thesaurus" https://smartdefine.org/impassability/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, impassability thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impassability/thesaurus/synonyms>.
MLASmart Define. "impassability thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/impassability/thesaurus/synonyms>