citadel Synonyms

bastion stronghold fortress acropolis refuge keep garrison fortification fort redoubt bulwark castle box citadel armoured box casbah bastille safehold bastilles shelter turret tower command post winter quarters cloud buster fasthold forts Towers tower of strength last stand alcazars armored box quarterdeck acropolises rampart fjord fastness embattlement earthwork donjon chateau blockhouse battlement base barricade fortresses headquarters presidio peel parapet palisade