| upright(noun, adjective, adverb, smooth, solid) |
| perpendicular(noun, adjective, smooth, sharp, solid) |
| erect(verb, adjective, smooth, sharp, solid) |
| straight(adjective, direct, right, level, true) |
| plumb(adjective, smooth, solid, level, true) |
| steep(adjective, sharp, straight, upright, erect) |
| sheer(adjective, smooth, sharp, solid, level) |
| standing(verb, adjective, firm, straight, upright) |
| upstanding(adjective, firm, straight, upright, erect) |
| up-and-down(adjective, upright, variable) |
| normal(adjective, verticality) |
| rampant(adjective, verticality) |
| raised(adjective, sharp, firm, straight, upright) |
| abrupt(adjective, sharp, upright, steep, sheer) |
| cocked(adjective, firm, straight, upright, erect) |
| precipitous(adjective, smooth, right, sharp, solid) |
| sharp(adjective, steep, sheer) |
| unbowed |
| upended(straight, upright, erect) |
| stand-up(adjective, straight, upright, erect, upstanding) |