fortress Synonyms

stronghold castle citadel bulwark fort bastion fortification garrison keep redoubt rampart turret tower strengthen stockade sanctuary safeguard rook refuge vallation strong point castles fasthold forts defenses Towers entrenchment military post command post casbah bastille safehold protector protection presidio defense defence compound chateau cage bunker breastwork blockhouse battlement base barrier barricade alcazar donjon dungeon