Synonyms and antonyms of Walls built outside for defense in American Thesaurus

barrage (noun)

a wall built across a river in order to control the level of the water

breakwater (noun)

a strong wall that protects a beach from the force of the waves

bulwark (noun)

a wall that is built for defense

dam (noun)

a wall built across a river to stop the water from flowing, especially in order to create a lake or to help to produce electric power

dike (noun)

a high wide wall that prevents a lake or river from flooding the surrounding land

dry-stone wall (noun)

a wall built from pieces of stone that fit together without mortar

dyke (noun)

another spelling of dike

earthwork (noun)

a wall made from a pile of dirt, built in the past to defend a place against attack

groin (noun)

a wall built out into the ocean to protect the beach from eroding (=being destroyed by the force of the water)

groyne (noun)

a wall built out into the ocean to protect the beach from being destroyed by the water

levee (noun)

a wall of soil built along the side of a river

mole (noun)

a strong wall built from the land into the sea to protect the land from the waves

parapet (noun)

a low wall at the edge of something high such as a bridge or a roof

parapet (noun)

a low wall that protects soldiers in the place they are shooting from

retaining wall (noun)

a wall that is built to prevent earth or water from moving forward

sea wall (noun)

a wall at the edge of the ocean that is built to stop the water from flowing onto the land

stockade (noun)

a wall made of large wooden posts

wall (noun)

a strong upright structure that protects an area from the ocean or from flooding