impregnability

/ɪmˌprɛɡnəˈbɪləti/
noun
  1. The quality of being impossible to capture, enter, or defeat by force.
    • Modern cybersecurity experts work to ensure the impregnability of sensitive data systems.
    • The fortress was famous for its impregnability, never having been taken by an enemy.
    • The castle's impregnability made it a safe refuge during the siege.
  2. The quality of being impossible to influence, change, or weaken.
    • Her moral impregnability meant she could not be bribed or threatened.
    • The team's impregnability under pressure earned them the championship.
    • The impregnability of his beliefs made debate with him frustrating.
What does "impregnability" mean? | whatsthatwordmean | whatsthatwordmean