English dictionary

fortress

/'f/O/rtr/I/s/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a fortified defensive structure

noun.artifact

Synonyms fort

Source: WordNet 3.0
A fortified place; a large and permanent fortification, sometimes including a town; a fort; a castle; a stronghold; a place of defense or security.

noun

Source: webster1913

To furnish with a fortress or with fortresses; to guard; to fortify.

verb

Source: webster1913