| Rating | Solver | Clue |
|---|---|---|
| RANCIDITY | Sourness | |
| ACIDNESS | Acidity; sourness. | |
| EAGERNESS | Tartness; sourness. | |
| ACIDITY | Sourness or tartness | |
| ACERBITUDE | Sourness and harshness. | |
| MOROSENESS | Sourness of temper; sulenness. | |
| VERJUICE | Tartness; sourness, as of disposition. | |
| SOURLY | In a sour manner; with sourness. | |
| TORVITY | Sourness or severity of countenance; sterness. | |
| ASPERITY | Roughness to the taste; sourness; tartness. | |
| ACETOSITY | The quality of being acetous; sourness. | |
| AUSTERITY | Sourness and harshness to the taste. | |
| AUSTERENESS | Harshness or astringent sourness to the taste; acerbity. | |
| PEEVISHNESS | The quality of being peevish; disposition to murmur; sourness of temper. | |
| ACERBITY | Sourness of taste, with bitterness and astringency, like that of unripe fruit. | |
| ACESCENCY | The quality of being acescent; the process of acetous fermentation; a moderate degree of sourness. | |
| CRABBED | Characterized by or manifesting, sourness, peevishness, or moroseness; harsh; cross; cynical; -- applied to feelings, disposition, or manners. | |