| Rating | Solver | Clue |
|---|---|---|
| ADAMANCE | Obduracy | |
| UNYIELDINGNESS | Obduracy | |
| PETRIFICATION | Fig.: Obduracy; callousness. | |
| OBFIRMATION | Hardness of heart; obduracy. | |
| PETRIFACTION | Fig.: Hardness; callousness; obduracy. | |
| INDURATION | Hardness of character, manner, sensibility, etc.; obduracy; stiffness; want of pliancy or feeling. | |