| Rating | Solver | Clue |
|---|---|---|
| MERCILESS | Unsparing | |
| DRASTIC | Unsparing | |
| SPARELESS | Unsparing. | |
| STRICT | Exacting, unsparing | |
| GENEROUS | Exacting, unsparing | |
| RIGOROUS | Exacting, unsparing | |
| RADICAL | ...aching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsp... | |