| Rating | Solver | Clue |
|---|---|---|
| IMMOVABLE | Unalterable | |
| IMMUTABLE | Unalterable | |
| UNCHANGEABLE | Unalterable | |
| IRREVERSIBLE | Unalterable | |
| INFLEXIBLE | Incapable of change; unalterable; immutable. | |
| INALTERABILITY | The quality of being unalterable or unchangeable; permanence. | |
| FIXED | Securely placed or fastened; settled; established; firm; imovable; unalterable. | |
| INALTERABLE | Not alterable; incapable of being altered or changed; unalterable. | |
| INVARIABLE | Not given to variation or change; unalterable; unchangeable; always uniform. | |
| IRREVOCABLE | Incapable of being recalled or revoked; unchangeable; irreversible; unalterable; as, an irrevocable promise or decree; irrevocable fate. | |
| GOLD | ...t, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents, and therefore well suited for its use i... | |