impregnability

• 名词，指坚固、难以攻破或无法被击败、伤害、动摇的性质或状态，既可指物理上的坚不可摧，也可指抽象意义上的不可动摇、不受影响。

A noun referring to the quality or state of being so strong and secure that it cannot be attacked, captured, or overcome.

不可数

1. Impenetrability to attackC2formal

   The quality of being so strong and well-defended that it cannot be captured or overcome by force.

   坚不可摧

   • The fortress's impregnability discouraged any attempt at siege.
   • Modern cyber systems strive for impregnability against hackers.
   • The castle acquired legendary impregnability over centuries of fortification.
   • Diplomats often rely on the impregnability of their classified networks.

   同义词impenetrabilityinvincibilityinvulnerabilitysecurity

   反义词defenselessnessvulnerabilityweakness

2. Invulnerability in argument or reasoningC2formal

   The state of being impossible to refute or challenge logically.

   论证中的不可辩驳性

   • The lawyer built an impregnability into her case that left no room for doubt.
   • His theory achieved near impregnability through exhaustive evidence.
   • The author's logic possesses an impregnability that critics cannot puncture.
   • In debate, she maintained the impregnability of her position with calm precision.

   同义词incontrovertibility