Synonyms|126Antonyms|37|Broader|0Narrower|1Related|16
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safeguard(noun, resistance, impermeability, invulnerability)
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safety
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screaming halt(expression, renitency, breakoff)
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screen(noun, resistance, impermeability, invulnerability)
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shield(noun, resistance, impermeability, invulnerability)
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shutting
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shutting up(verb, phrasal verb, closure)
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stammering(renitency, breakoff)
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stand(noun, resistance, impermeability, invulnerability)
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stiffness(noun, protection, security, rigidity, hardness)
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stopper
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stopping(renitency, breakoff)
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strong-mindedness(noun, implacability)
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struggle(noun, resistance, impermeability, invulnerability)
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stuttering(renitency, breakoff)
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support(noun, resistance, impermeability, invulnerability)
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time out(expression, renitency, breakoff)
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timeout(renitency, breakoff)
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toleration
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unfeelingness
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APASmart Define. (2015). imperviousness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/imperviousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperviousness thesaurus" https://smartdefine.org/imperviousness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, imperviousness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/imperviousness/thesaurus/synonyms>.
MLASmart Define. "imperviousness thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/imperviousness/thesaurus/synonyms>