Ruinous
Ruinous , adjective
[Latin ruinosus: compare French ruineux. See Ruin.]
1.
Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.
After a night of storm so ruinous.
2.
Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
3.
Composed of, or consisting in, ruins.
Behold, Damascus... shall be a ruinous heap.