| Still, when it snowed the road had to be plowed or it was impassable, and in the summer the dust whirled. |
| In 1996, Weatherford made the first of many sojourns to Mongolia, riding in jeeps and on horses across nearly impassable terrain. |
| Instantaneous fuses and gas or smoke shells made possible heavy and lethal barrages that did not make ground impassable to assaulting infantry. |
| However, ahead of them loomed a large mountain range, like an impassable wall. |
| In the nineteenth century there were repeated complaints that the pavements of London were made impassable by children's shuttlecock and tipcat. |
| He went out to look and saw that the front of the school was covered with water and impassable. |
