| Answer | Crossword Clue |
|---|---|
| FATAL | Ruinous |
| LETHAL | Ruinous |
| TRAGIC | Ruinous. |
| DIRE | Potentially ruinous |
| BANE | Ruinous thing |
| BANE | Ruinous agent |
| DOWNFALLS | Ruinous failures |
| DOOM | Ruinous end |
| UNDOER | Ruinous one |
| LAYWASTE | Be ruinous |
| DESTRUCTIVENESS | Ruinous quality |
| USURY | Ruinous interest. |
| DISASTER | Ruinous mischance. |
| HAVOC | Ruinous damage |
| KISSOFDEATH | Ultimately ruinous thing |
| RAVAGE | Do ruinous damage |
| DESTRUCTIVELY | In a ruinous manner |
| KISSOFDEATH | Something that is ultimately ruinous |
