| Rating | Solver | Clue |
|---|---|---|
| BITTER | Acrimonious | |
| CAUSTIC | Acrimonious | |
| SOUR | Become acrimonious | |
| ACRIMONIOUSLY | In an acrimonious manner. | |
| ACRIMONIOUS | Acrid; corrosive; as, acrimonious gall. | |
| DULCORATE | To sweeten; to make less acrimonious. | |
| ACRIMONIOUSNESS | The quality of being acrimonious; asperity; acrimony. | |
| PHILIPPIC | Hence: Any discourse or declamation abounding in acrimonious invective. | |
| SHEATHE | To obtund or blunt, as acrimonious substances, or sharp particles. | |
| KEEN | Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm. | |
| DIATRIBE | A prolonged or exhaustive discussion; especially, an acrimonious or invective harangue; a strain of abusive or railing language; a philippic. | |