Definition of fortress in English:

fortress

Line breaks: fort|ress
Pronunciation: /ˈfɔːtrɪs
 
/

noun

1A military stronghold, especially a strongly fortified town.
More example sentences
  • World War I saw the evolution of a new fortification setup combining field strongholds with fortresses.
  • City walls, towers, churches, and fortresses strongly connect Estonians to the past.
  • Most contemporary commanders used their troops in a slow, expensive, attritional warfare based on sieges of selected fortified cities or fortresses.
Synonyms
fort, castle, citadel, blockhouse, burg, keep, tower, donjon, turret, bunker; stronghold, redoubt, fortification, bastion; fastness; in Spainalcazar
rare hold, fortalice
1.1A person or thing not susceptible to outside influence or disturbance: he had proved himself to be a fortress of moral rectitude
More example sentences
  • No nation can erect a fortress against influenza - not even the world's wealthiest country.
  • A paranoid fortress mentality has unfortunately gripped the government policy makers in the most underpopulated country on earth.
  • But already we pay a price, levied not in blood but in freedom, as a fortress mentality seeps into the national culture.

Origin

Middle English: from Old French forteresse 'strong place', based on Latin fortis 'strong'.

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Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude