| Answer | Crossword Clue |
|---|---|
| TARTEST | Most acerb |
| TART | Acerb. |
| TART | Acerb |
| SOUR | Acerb |
| BITING | Acerb |
| HARSH | Acerb |
| RUE | Acerb herb |
| acerber | acerbic acerb humor |
| acerbest | acerbic acerb humor |
| acerbest | ACERB, sour (sharp or biting to the taste) |
| acerber | ACERB, sour (sharp or biting to the taste) |
