| Answer | Crossword Clue |
|---|---|
| VINEGARISH | Extremely sour |
| ACRID | Sour |
| ROTEN | Sour |
| SPOIL | Sour |
| CURDLE | Sour |
| ACERB | Sour |
| ACIDY | Sour |
| ACRID | Sour. |
| ACETIC | Sour. |
| ACETIC | Sour |
| MASH | Sour .. |
| ACERBIC | Sour |
| TART | Sour |
| EMBITTER | Sour |
| RANCID | Sour |
| ROT | Sour |
| ACERB | Sour. |
| GOBAD | Sour. |
| MASH | Sour ... |
| ACID | Sour. |
| TART | Sour. |
| VINAIGROUS | Sour. |
| ACID | Sour |
| ACIDULOUS | Sour |
| MOROSE | Sour |
| GOBAD | Sour |
| ACIDIC | Sour |
| ACERBIC | Sour. |
| ACIDY | Rather sour |
| SLOE | Sour plum |
| TURN | Become sour |
| DOUR | Sour-visaged. |
| TURN | Make sour |
| ALEGAR | Sour drink |
| ROT | Get sour |
| TURN | Go sour |
| ROTS | Goes sour |
| GOBAD | Become sour |
| CLINKER | Sour note |
| ROT | Turn sour |
