| at right angles |
| breakneck(adjective, sharp, course, sheer, vertical) |
| course(adjective, sharp, steep, sheer, vertical) |
| declivitous(adjective, sharp, course, steep, sheer) |
| elevated(adjective, sharp, course, sheer, vertical) |
| end on(expression, straight, upright, erect, vertical) |
| end up(expression, straight, erect) |
| headlong(adjective, sharp, course, sheer, vertical) |
| high(adjective, sharp, course, sheer, vertical) |
| hilly(adjective, sharp, course, sheer, vertical) |
| horizontal(adjective, straight, upright, steep, vertical) |
| lifted(adjective, sharp, course, sheer, vertical) |
| lofty(adjective, sharp, course, sheer, vertical) |
| moved |
| precipitate(adjective, sharp, course, sheer, vertical) |
| prerupt(adjective, sharp, course, steep, sheer) |
| sharp(adjective, course, sheer, vertical) |
| straight(adjective, upright, erect, vertical, upstanding) |
| sudden(adjective, sharp, sheer, vertical) |
| upended(straight, upright, erect, vertical) |