| Rating | Solver | Clue |
|---|---|---|
| ACUTE | Keen (sense) | |
| SAGACIOUS | Of quick sense perceptions; keen-scented; skilled in following a trail. | |
| EXQUISITE | Exceeding; extreme; keen; -- used in a bad or a good sense; as, exquisite pain or pleasure. | |
| SHARP | Affecting the sense as if pointed or cutting, keen, penetrating, acute: to the taste or smell, pungent, acid, sour, as ammonia has a sharp tast... |