1. any of various permanent upright constructions having a length much greater than the thickness and presenting a continuous surface except where pierced by doors, windows, etc.: used for shelter, protection, or privacy, or to subdivide interior space, to support floors, roofs, or the like, to retain earth, to fence in an area, etc.
2. Usually, walls. a rampart raised for defensive purposes.
3. an immaterial or intangible barrier, obstruction, etc., suggesting a wall: a wall of prejudic
"streets can be wall."
"weaknesses can be wall."
"units can be wall."
"suns can be wall."
"stocks can be wall."
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