fortress
Proposed by a contributor, not yet supported by evidence.
Also seen as: fortresses · fortressing · fortressed
Sense 1
A fortified place; a large and permanent fortification, sometimes including a town; for example a fort, a castle; a stronghold; a place of defense or security.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
A position that, if obtained by the weaker side, will prevent penetration by the opposing side, generally achieving a draw.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
To furnish with a fortress or with fortresses; to guard, to fortify.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “fortress” mean?
A fortified place; a large and permanent fortification, sometimes including a town; for example a fort, a castle; a stronghold; a place of defense or security.
Is “fortress” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.