fortress

BrE /ˈfɔːtɪs/ AmE /ˈfɔːrtəs/

noun en → es

1 BUILDING [singular] B1

a large, strong building or group of buildings that is difficult to attack and capture; a military stronghold.

fortaleza, castillo

  • a fortress

Collocations medieval fortress · castle fortress

  • The fortress was built to protect the city.

    La fortaleza fue construida para proteger la ciudad.

2 STRONGHOLD [singular] B2

a place or organization that is difficult for other people to attack, influence, or control.

refugio, bastión

  • a fortress of something

Collocations fortress of solitude · intellectual fortress

  • The company has become a fortress against competition.

    La empresa se ha convertido en un refugio contra la competencia.