Definition of "impermeability" [im•per•me•a•bil•i•ty]

• The quality of being impermeable (noun)

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• "I observed and noted the resilience of the weathered tree trunks, which, despite the impermeability of the soil and a shortage of water, survived in an inhospitable setting—bravery that I never had shown."
• "While schools offer standardized testing and universities offer peer review as evidence of their impermeability, there is substantial evidence that both test scores and research results are fudged in order to meet the needs of practitioners and their well-placed sponsors."
• "But years of putting her (female) humanity in deep freeze to preserve an aura of (male) impermeability was a seemingly unbreakable habit that was now crippling her: she was unable to simply be herself in public."