Synonyms of castle
fortressDictionary • They were given a guided tour of the medieval castle.
fortress • a 13th-century fortress
keep • the parts of the keep open to visitors
palace • the palace courtyard
tower • troops occupied the first two floors of the tower
stronghold • The seat was a stronghold of the Labour Party.
citadel • The citadel at Besançon towered above the river.
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citadelIn the past, a citadel was a strong building in or near a city, where people could shelter for safety.
• The citadel at Besançon towered above the river.
fortressA fortress is a castle or other large strong building, or a well-protected place, which is intended to be difficult for enemies to enter.
• a 13th-century fortress
• the parts of the keep open to visitors
Thesaurus for castle from the Collins English Thesaurus
a fortified building or set of buildings, usually permanently garrisoned, as in medieval Europe