inaccessible, invulnerable, unmoved, impassive; see callous, indifferent 1.
impenetrable, watertight, hermetic; see tight 2.
"impervious." YourDictionary, n.d. Web. 05 December 2018. <https://thesaurus.yourdictionary.com/impervious>.
impervious. (n.d.). Retrieved December 05th, 2018, from https://thesaurus.yourdictionary.com/impervious
Having the capacity to withstand:
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