fortress

/ˈfɔrtrəs/
noun
  1. A large, strong building or group of buildings built to defend a place against attack; a military stronghold.
    • Tourists explored the old fortress and learned about its history.
    • The ancient fortress stood on the hill, its thick stone walls still intact.
    • Soldiers guarded the fortress day and night to protect the kingdom.
  2. Something that provides a strong sense of security or protection, often used figuratively.
    • The company built a financial fortress to survive the economic crisis.
    • For him, books were a fortress against the chaos of the outside world.
    • Her home was her fortress, a place where she felt completely safe.
What does "fortress" mean? | whatsthatwordmean | whatsthatwordmean