25 entries under straight topic. ×
| upright(noun, adjective, adverb, smooth, solid) | |
| perpendicular(noun, adjective, smooth, sharp, solid) | |
| erect(verb, adjective, smooth, sharp, solid) | |
| plumb(adjective, smooth, solid, level, true) | |
| steep(adjective, sharp, upright, erect) | |
| sheer(adjective, smooth, sharp, solid, level) | |
| standing(verb, adjective, firm, upright) | |
| upstanding(adjective, firm, upright, erect) | |
| raised(adjective, sharp, firm, upright) | |
| cocked(adjective, firm, upright, erect) | |
| upended(upright, erect) | |
| stand-up(adjective, upright, erect, upstanding) | |
| erectile(adjective, firm, upright) | |
| horizontal(adjective, smooth, solid, level, true) | |
| on end(expression, adjective, idiom, upright) | |
| straight-up(adjective, sharp, upright, erect) | |
| upward(adjective, upright, erect, perpendicular) | |
| stiff(adjective, firm, upright) | |
| arrect(adjective, firm, upright) | |
| elevated(adjective, sharp, firm, upright) |
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| APA | Smart Define. (2016). vertical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vertical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "vertical thesaurus" https://smartdefine.org/vertical/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, vertical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vertical/thesaurus/synonyms>. |
| MLA | Smart Define. "vertical thesaurus" 15 March 2016. Web. 23 September 2026. <https://smartdefine.org/vertical/thesaurus/synonyms> |