pregnable

/ˈprɛɡnəbəl/
adjective
  1. Vulnerable to attack or capture; not well defended.
    • The company's cybersecurity system was pregnable, leading to a data breach.
    • The castle's walls were old and pregnable, so the army prepared for a siege.
    • In the debate, his argument was pregnable because he had no evidence to support it.
What does "pregnable" mean? | whatsthatwordmean | whatsthatwordmean