barricade Synonyms

roadblock stop block up block off blockade block barricado bar obstruction ravelin redan redoubt revetment safeguard scarp screen seal secure septum shield muniment siege rampart railing protect occlude oppilative outwork padlock obstructer paling obstruct palisade paneling parados parapet obstacle presidio portcullis spane stockade shut off barbed wire roadblocks lock out crenellation kibosh operoseness dam up stymy