| Solution | Length | |
|---|---|---|
| 3 letters | ||
| sec | 3 | |
| 4 letters | ||
| tart | 4 | |
| sore | 4 | |
| sour | 4 | |
| 5 letters | ||
| rough | 5 | |
| spiky | 5 | |
| sharp | 5 | |
| 6 letters | ||
| soured | 6 | |
| levant | 6 | |
| bitter | 6 | |
| biting | 6 | |
| unripe | 6 | |
| severe | 6 | |
| 7 letters | ||
| retorts | 7 | |
| pungent | 7 | |
| UNSWEET | 7 | |
| rankled | 7 | |
| 8 letters | ||
| stinging | 8 | |
| sardonic | 8 | |
| venomous | 8 | |
| SNAPPISH | 8 | |
| stabbing | 8 | |
| virulent | 8 | |
| vinegary | 8 | |
| scathing | 8 | |
| 9 letters | ||
| scorching | 9 | |
| vitriolic | 9 | |
| trenchant | 9 | |
| resentful | 9 | |
| sarcastic | 9 | |
| rancorous | 9 | |
| withering | 9 | |
| splenetic | 9 | |
| 10 letters | ||
| vinegarish | 10 | |
| 12 letters | ||
| bitingcrosby | 12 | |
| 14 letters | ||
| short-tempered | 14 | |