26 entries under expression topic. ×
| plumb line(noun, idiom) | |
| at right angles | |
| on end(adjective, straight, upright, erect) | |
| straight line | |
| be orthogonal(idiom, perpendicularity) | |
| be perpendicular(idiom, perpendicularity) | |
| be rectangular(idiom, perpendicularity) | |
| broad side foremost | |
| set up(verb, phrasal verb) | |
| stand up(verb, phrasal verb) | |
| up and down(verb, phrasal verb) | |
| end on(adjective, straight, erect, vertical) | |
| end up(adjective, straight, erect, vertical) | |
| extremely steep | |
| have no correlation(idiom, perpendicularity) | |
| having rectitude | |
| intersect at degrees(idiom, perpendicularity) | |
| lead line | |
| morally erect | |
| not abnormal |
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| APA | Smart Define. (2015). perpendicular thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perpendicular/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perpendicular thesaurus" https://smartdefine.org/perpendicular/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, perpendicular thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perpendicular/thesaurus/synonyms>. |
| MLA | Smart Define. "perpendicular thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/perpendicular/thesaurus/synonyms> |