Synonyms and Antonyms of fortress
a structure or place from which one can resist attack <the boys built a snow fortress and then challenged the neighborhood kids to an in-your-face snowball fight> Synonyms bastion, castle, citadel, fastness, fortification, fort, hold, redoubt, strongholdRelated Words battlement, breastwork, bulwark, earthwork, embattlement, parapet, rampart; bunker, dugout; blockhouse, garrison house; alcazar, casbah (also kasbah)
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