16 entries under erect topic. ×
| vertical(noun, adjective, smooth, sharp, solid) | |
| steep(adjective, sharp, course, extreme, straight) | |
| upright(noun, adjective, adverb, smooth, solid) | |
| straight(adjective, direct, right, level, straight) | |
| sheer(adjective, smooth, sharp, solid, level) | |
| standing(verb, adjective, firm, straight, upright) | |
| stand-up(adjective, straight, upright, vertical) | |
| upstanding(adjective, firm, straight, upright) | |
| straight-up(adjective, sharp, course, straight, upright) | |
| on end(expression, adjective, straight, upright) | |
| upended(adjective, straight, vertical, upstanding) | |
| cocked(adjective, firm, straight, upright, steep) | |
| raised(adjective, sharp, firm, course, straight) | |
| end on(expression, adjective, straight, vertical) | |
| end up(expression, adjective, straight, vertical) | |
| upward(adjective, straight, upright, steep) |
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| APA | Smart Define. (2015). perpendicular thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perpendicular/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perpendicular thesaurus" https://smartdefine.org/perpendicular/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, perpendicular thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perpendicular/thesaurus/synonyms>. |
| MLA | Smart Define. "perpendicular thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/perpendicular/thesaurus/synonyms> |