| Rating | Solver | Clue |
|---|---|---|
| IMPEDIMENT | Obstruction | |
| BLOCKAGE | Obstruction | |
| BARRICADE | Obstruction | |
| BARRIER | Obstruction | |
| ROADBLOCK | Traffic obstruction | |
| HINDRANCE | Obstruction, impediment | |
| GALLSTONE | Bile duct obstruction | |
| DERAILMENT | Obstruction (of talks) | |
| CLEAR | Free of obstruction | |
| EMBOLISM | Obstruction of artery | |
| UNSTOP | Free from obstruction | |
| CROSSING | Contradiction; thwarting; obstruction. | |
| OBSTANCY | Opposition; impediment; obstruction. | |
| IMPEACHMENT | Hindrance; impediment; obstruction. | |
| DISENCUMBER | Remove an obstruction from | |
| NET | Obstruction in the court? | |
| BLOCKADE | Obstruction in a pipe | |
| UNJAM | Remove an obstruction from | |
| UNBLOCK | Remove an obstruction from | |
| SLUG | A hindrance; an obstruction. | |
| INTERCLUSION | Interception; a stopping / obstruction. | |
| PRESSTRICTION | Obstruction, dimness, or defect of sight. | |
| SMOOTH | To free from obstruction; to make easy. | |
| RETARDATION | That which retards; an obstacle; an obstruction. | |
| UNDAM | To free from a dam, mound, or other obstruction. | |