| Rating | Solver | Clue |
|---|---|---|
| INVALIDATE | Undermine | |
| WEAKEN | Undermine | |
| SABOTAGE | Undermine | |
| SUBVERT | Undermine | |
| SABOTAGED | Undermine (efforts) | |
| DEMORALISE | Undermine (confidence) | |
| ERODE | Undermine (confidence) | |
| DESTABILISE | Undermine (government) | |
| UNDERGRUB | To undermine. | |
| UNDERDIG | To dig under or beneath; to undermine. | |
| UNDERWORK | To injure by working secretly; to destroy or overthrow by clandestine measure; to undermine. | |
| SUPPLANT | To overthrow, undermine, or force away, in order to get a substitute in place of. | |
| SAP | To subvert by digging or wearing away; to mine; to undermine; to destroy the foundation of. | |
| UNDERMINE | Fig.: To remove the foundation or support of by clandestine means; to ruin in an underhand way; as, to undermine reputation; to undermine the constitution of the state. | |
| MINE | To dig away, or otherwise remove, the substratum or foundation of; to lay a mine under; to sap; to undermine; hence, to ruin or destroy by slow degrees or secret means. | |
| DEMORALIZE | To corrupt or undermine in morals; to destroy or lessen the effect of moral principles on; to render corrupt or untrustworthy in morals, in dis... | |