Synonyms of 'castle'
fortressDictionary, keep, palace
They were given a guided tour of the medieval castle.
subject word listsCastles
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In 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.
Image of 'castle'
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Thesaurus for castle from the Collins English Thesaurus
A castle is a large building with thick , high walls . Castles were built by important people, such as kings , in former times, especially for protection during wars and battles .