imperviousness

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noun

The quality of being unable to be affected.

Similar
impenetrabilityimpermeability
Opposite
perviousness
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Meanings

nounimperviousness (uncountable)
  1. The state of being impervious.
    1. uncountableThe quality of being unable to be affected.
    2. uncountableThe ability to prevent any penetration.

      Synonyms: impenetrability, impermeability

Synonyms & antonyms

nounThe ability to prevent any penetration.

Similar
impenetrabilityimpermeability

More synonyms by meaning

nounthe quality of being impenetrable (by people or light or missiles etc.)

Similar
impenetrability
Opposite
perviousness
Broader
quality
Also see
impenetrabilityunassailableness

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From impervious + -ness.

Full word history & related roots →

Translations

Finnish läpäisemättömyys
  • läpäisemättömyysthe ability to prevent any penetration
Irish neamh-thréscaoilteacht
  • neamh-thréscaoilteachtthe ability to prevent any penetration
Italian inaccessibilità
  • inaccessibilitàthe ability to prevent any penetration
Polish obojętność, odporność
  • obojętnośćthe quality of being unable to be affected
  • odpornośćthe quality of being immune to damage or effect
  • nieczułośćthe quality of being immune to damage or effect
  • obojętnośćthe quality of being immune to damage or effect
  • nieprzenikliwośćthe ability to prevent any penetration
  • nieprzepuszczalnośćthe ability to prevent any penetration
Russian невосприи́мчивость, неуязви́мость
  • невосприи́мчивость (nevospriímčivostʹ)the quality of being unable to be affected
  • неуязви́мость (neujazvímostʹ)the quality of being unable to be affected
  • непроница́емость (nepronicájemostʹ)the ability to prevent any penetration
Ukrainian несприйня́тливість, невразли́вість
  • несприйня́тливість (nespryjnjátlyvistʹ)the quality of being unable to be affected
  • невразли́вість (nevrazlývistʹ)the quality of being unable to be affected
  • непрони́кність (nepronýknistʹ)the ability to prevent any penetration
Cite this entry
APA

imperviousness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/imperviousness

MLA

“imperviousness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/imperviousness. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “imperviousness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/imperviousness.

Source: imperviousness on Wiktionary, CC BY-SA 4.0.