EN

Synonyms for fort

Most common

castle fortress citadel redoubt camp armory US den garrison

Synonyms by meaning

Noun

1. Fortress — A fortified defensive structure stationed with troops

fortress, castle, citadel, redoubt, stronghold, fortification, bulwark, rampart, motte and bailey, bastion, bunker, donjon, keep, hold, fox hole, fastness

2. Camp — any permanent army post

camp, armory US, armoury UK, watch tower, base, headquarters, arsenal, supply depot, air base

Definitions

  1. n. 1

    A fortified defensive structure stationed with troops.

  2. n. 2

    Any permanent army post.

Forms

Plural
forts → fortresses, castles, citadels, redoubts…

Choose the right word

or Fort?

Fort is the common military term for a detached fortified building or enclosure of moderate size occupied or designed to be occupied by troops.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

  • castle Tom escaped from the castle, disguised as a woman.
  • fortress The fortress was secure from every kind of attack.
  • citadel What is out of the lips, is out of the citadel.
  • redoubt Let them hole up in the redoubt -- our troops will pass right by.
  • camp There is no cave within several miles of our camp.
  • armory We'll need to stop by the armory on our way out.

Popularity over time

Word1850 → 2019Trend
fortsteady
castlerising
fortressrising
citadelsteady
redoubtrising
camprising

Use in printed books, per decade from 1850 to 2019.

By length

3 letters
den1
4 letters
keep1, hold1, base1, camp1
6 letters
castle2, bunker2, armory3, donjon
7 letters
arsenal3, citadel3, bastion2, bulwark2, rampart2, armoury, redoubt2
8 letters
fortress2, garrison3, fastness2
10 letters
stronghold2
12 letters
headquarters3
13 letters
fortification5

The small number after each word is its number of syllables (castle2 = 2 syllables).