| Rating | Solver | Clue |
|---|---|---|
| IMMOVABLY | Inflexibly | |
| FIRMLY | Inflexibly | |
| ADAMANTLY | Inflexibly | |
| INEXORABLY | In an inexorable manner; inflexibly. | |
| STIFF-NECKED | Stubborn; inflexibly obstinate; contumacious; as, stiff-necked pride; a stiff-necked people. | |
| INCORRUPTIBLE | Incapable of being bribed or morally corrupted; inflexibly just and upright. | |