Synonyms|126Antonyms|37|Broader|0Narrower|1Related|16
1
contraction
1
density(noun, protection, security, rigidity, hardness)
1
durability(noun, protection, security, rigidity, hardness)
1
elephant skin(expression, apathy, armor)
1
embolus
1
fixedness(noun, protection, security, rigidity, hardness)
1
formidable defenses(expression, apathy, armor)
1
hard shell(expression, apathy, armor)
1
hindrance(noun, resistance, closure, impermeability, invulnerability)
1
impedance(noun, resistance, protection, endurance, reassurance)
1
impenetrableness
1
impermeableness
1
impliability(noun, protection, security, rigidity, hardness)
1
indestructibility(noun, invulnerability)
1
induration
1
inelasticity(noun, protection, security, rigidity, hardness)
1
inflexibility(noun, protection, security, rigidity, hardness)
1
invincibility(noun, invulnerability)
1
obstinacy
1
obstruction(noun, resistance, closure, impermeability, invulnerability)
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APASmart Define. (2015). imperviousness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imperviousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperviousness thesaurus" https://smartdefine.org/imperviousness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, imperviousness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imperviousness/thesaurus/synonyms>.
MLASmart Define. "imperviousness thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/imperviousness/thesaurus/synonyms>