Definition of citadel in English:

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Pronunciation: /ˈsidədl/
Pronunciation: /ˈsidəˌdel/


A fortress, typically on high ground, protecting or dominating a city.
Example sentences
  • Peter's army stormed the citadel and sacked the city, killing several thousand inhabitants and local Byzantine troops.
  • Each city was laid out on a grid plan with a high citadel and a lower city of domestic dwellings.
  • Victory eluded the British for three months, until Wolfe successfully landed men on the Plains of Abraham above the citadel.
fortress, fort, stronghold, fortification, castle
archaic hold


Mid 16th century: from French citadelle, or from Italian cittadella, based on Latin civitas 'city' (see city).

For editors and proofreaders

Syllabification: cit·a·del

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