| Rating | Solver | Clue |
|---|---|---|
| ONEROUS | Taxing | |
| CHALLENGING | Taxing (task) | |
| PUNISHING | Severely taxing | |
| TESTING | Mentally taxing | |
| EXTOLLING | Glorifying former road-taxing system | |
| DUTY | Obligation that could be taxing | |
| TAXI | To drive on tarmac is a bit taxing | |
| TAXATION | The act of taxing, or assessing a bill of cost. | |