[{"Bold_text": "noun", "List Items": ["a wall of earth or other material built for defense; rampart.", "any protection against external danger, injury, or annoyance:The new dam was a bulwark against future floods.", "any person or thing giving strong support or encouragement in time of need, danger, or doubt:Religion was his bulwark.Synonyms: mainstay , buttress , support", "Usuallybulwarks.Nautical.a solid wall enclosing the perimeter of a weather or main deck for the protection of persons or objects on deck."]}, {"Bold_text": "verb (used with object)", "List Items": ["to fortify or protect with a bulwark; secure by or as if by a fortification."]}]