ruinous

باللغة العربية: مُدَمِّر، مُهْلِك، خَرِب

1. Causing ruin; destructive, calamitous.
2. Extremely costly; so expensive as to cause financial ruin. · They were forced to completely replace the roof at ruinous expense.
3. Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.