| rectangular(adjective, regular, square, patterned, symmetrical) | |
| perpendicular(adjective, verticality, perpendicularity) | |
| normal | |
| extraneous | |
| immaterial | |
| square(adjective, regular, patterned, symmetrical, angled) | |
| right-angled(adjective, regular, square, patterned, symmetrical) | |
| impertinent | |
| plumb | |
| coherent | |
| foreign | |
| foursquare(adjective, regular, square, patterned, symmetrical) | |
| quadrangular(adjective, four-sided, quadrilateral, right-angled) | |
| quadrate(adjective, regular, square, symmetrical, angled) | |
| quadrilateral(square, equilateral) | |
| tetragonal(adjective, four-sided, right-angled) | |
| uncorrelated | |
| vertical | |
| altruistic | |
| bolt |
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| APA | Smart Define. (2016). orthogonal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/orthogonal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "orthogonal thesaurus" https://smartdefine.org/orthogonal/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, orthogonal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/orthogonal/thesaurus/synonyms>. |
| MLA | Smart Define. "orthogonal thesaurus" 15 February 2016. Web. 20 September 2026. <https://smartdefine.org/orthogonal/thesaurus/synonyms> |